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Finding the Fourth Proportional to 12,702.12, 19,058.64 and 5,308.26

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Solution

The fourth proportional to 12,702.12, 19,058.64 and 5,308.26 is: 7,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702.12 : 19,058.64 = 5,308.26 : x
  2. Step 2: Convert to fraction form
    12,702.12/19,058.64 = 5,308.26/x
  3. Step 3: Cross multiply
    12,702.12x = 19,058.64 × 5,308.26
  4. Step 4: Simplify right side
    12,702.12x = 101,168,216.37
  5. Step 5: Solve for x
    x = 101,168,216.37/12,702.12
  6. Step 6: Final answer
    x = 7,964.67

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