Finding the Fourth Proportional to 9,900,702.09, 13,665,816.43 and 5,979,835.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,900,702.09 : 13,665,816.43 = 5,979,835.42 : x
2. Step 2: Convert to fraction form
   9,900,702.09/13,665,816.43 = 5,979,835.42/x
3. Step 3: Cross multiply
   9,900,702.09x = 13,665,816.43 × 5,979,835.42
4. Step 4: Simplify right side
   9,900,702.09x = 81,719,333,120,964.69
5. Step 5: Solve for x
   x = 81,719,333,120,964.69/9,900,702.09
6. Step 6: Final answer
   x = 8,253,892.74