Finding the Fourth Proportional to 22,468,441.37, 31,006,146.53 and 12,545,478.05

Step by Step Solution

1. Step 1: Write the proportion equation
   22,468,441.37 : 31,006,146.53 = 12,545,478.05 : x
2. Step 2: Convert to fraction form
   22,468,441.37/31,006,146.53 = 12,545,478.05/x
3. Step 3: Cross multiply
   22,468,441.37x = 31,006,146.53 × 12,545,478.05
4. Step 4: Simplify right side
   22,468,441.37x = 388,986,930,583,531.62
5. Step 5: Solve for x
   x = 388,986,930,583,531.62/22,468,441.37
6. Step 6: Final answer
   x = 17,312,590.77