Finding the Fourth Proportional to 10,913,892.62, 16,366,086.45 and 3,131,089.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,913,892.62 : 16,366,086.45 = 3,131,089.88 : x
2. Step 2: Convert to fraction form
   10,913,892.62/16,366,086.45 = 3,131,089.88/x
3. Step 3: Cross multiply
   10,913,892.62x = 16,366,086.45 × 3,131,089.88
4. Step 4: Simplify right side
   10,913,892.62x = 51,243,687,576,969.70
5. Step 5: Solve for x
   x = 51,243,687,576,969.70/10,913,892.62
6. Step 6: Final answer
   x = 4,695,271.37