Finding the Fourth Proportional to 22,191,711.54, 30,625,507.71 and 12,402,155.45

Step by Step Solution

1. Step 1: Write the proportion equation
   22,191,711.54 : 30,625,507.71 = 12,402,155.45 : x
2. Step 2: Convert to fraction form
   22,191,711.54/30,625,507.71 = 12,402,155.45/x
3. Step 3: Cross multiply
   22,191,711.54x = 30,625,507.71 × 12,402,155.45
4. Step 4: Simplify right side
   22,191,711.54x = 379,822,307,354,593.50
5. Step 5: Solve for x
   x = 379,822,307,354,593.50/22,191,711.54
6. Step 6: Final answer
   x = 17,115,503.09