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Finding the Fourth Proportional to 7,994.88, 11,985.06 and 2,797.92

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Solution

The fourth proportional to 7,994.88, 11,985.06 and 2,797.92 is: 4,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.88 : 11,985.06 = 2,797.92 : x
  2. Step 2: Convert to fraction form
    7,994.88/11,985.06 = 2,797.92/x
  3. Step 3: Cross multiply
    7,994.88x = 11,985.06 × 2,797.92
  4. Step 4: Simplify right side
    7,994.88x = 33,533,239.08
  5. Step 5: Solve for x
    x = 33,533,239.08/7,994.88
  6. Step 6: Final answer
    x = 4,194.34

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