Finding the Fourth Proportional to 9,942,005.97, 13,719,753.18 and 5,755,867.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,942,005.97 : 13,719,753.18 = 5,755,867.37 : x
2. Step 2: Convert to fraction form
   9,942,005.97/13,719,753.18 = 5,755,867.37/x
3. Step 3: Cross multiply
   9,942,005.97x = 13,719,753.18 × 5,755,867.37
4. Step 4: Simplify right side
   9,942,005.97x = 78,969,079,653,215.73
5. Step 5: Solve for x
   x = 78,969,079,653,215.73/9,942,005.97
6. Step 6: Final answer
   x = 7,942,972.46