Finding the Fourth Proportional to 22,700,758.35, 31,327,711.16 and 12,388,146.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,700,758.35 : 31,327,711.16 = 12,388,146.15 : x
2. Step 2: Convert to fraction form
   22,700,758.35/31,327,711.16 = 12,388,146.15/x
3. Step 3: Cross multiply
   22,700,758.35x = 31,327,711.16 × 12,388,146.15
4. Step 4: Simplify right side
   22,700,758.35x = 388,092,264,333,125.31
5. Step 5: Solve for x
   x = 388,092,264,333,125.31/22,700,758.35
6. Step 6: Final answer
   x = 17,096,004.39