Finding the Fourth Proportional to 218,355,084.61, 327,423,101.94 and 72,737,451.25

Step by Step Solution

1. Step 1: Write the proportion equation
   218,355,084.61 : 327,423,101.94 = 72,737,451.25 : x
2. Step 2: Convert to fraction form
   218,355,084.61/327,423,101.94 = 72,737,451.25/x
3. Step 3: Cross multiply
   218,355,084.61x = 327,423,101.94 × 72,737,451.25
4. Step 4: Simplify right side
   218,355,084.61x = 23,815,921,914,665,972
5. Step 5: Solve for x
   x = 23,815,921,914,665,972/218,355,084.61
6. Step 6: Final answer
   x = 109,069,692.41