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Finding the Fourth Proportional to 7,698.56, 11,547.84 and 2,768.22

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Solution

The fourth proportional to 7,698.56, 11,547.84 and 2,768.22 is: 4,152.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.56 : 11,547.84 = 2,768.22 : x
  2. Step 2: Convert to fraction form
    7,698.56/11,547.84 = 2,768.22/x
  3. Step 3: Cross multiply
    7,698.56x = 11,547.84 × 2,768.22
  4. Step 4: Simplify right side
    7,698.56x = 31,966,961.64
  5. Step 5: Solve for x
    x = 31,966,961.64/7,698.56
  6. Step 6: Final answer
    x = 4,152.33

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