Finding the Fourth Proportional to 139,910,311.72, 209,804,517.30 and 74,317,095.46

Step by Step Solution

1. Step 1: Write the proportion equation
   139,910,311.72 : 209,804,517.30 = 74,317,095.46 : x
2. Step 2: Convert to fraction form
   139,910,311.72/209,804,517.30 = 74,317,095.46/x
3. Step 3: Cross multiply
   139,910,311.72x = 209,804,517.30 × 74,317,095.46
4. Step 4: Simplify right side
   139,910,311.72x = 15,592,062,340,123,320
5. Step 5: Solve for x
   x = 15,592,062,340,123,320/139,910,311.72
6. Step 6: Final answer
   x = 111,443,267.82