Finding the Fourth Proportional to 116,148,414.72, 160,318,659.69 and 75,920,254.35

Step by Step Solution

1. Step 1: Write the proportion equation
   116,148,414.72 : 160,318,659.69 = 75,920,254.35 : x
2. Step 2: Convert to fraction form
   116,148,414.72/160,318,659.69 = 75,920,254.35/x
3. Step 3: Cross multiply
   116,148,414.72x = 160,318,659.69 × 75,920,254.35
4. Step 4: Simplify right side
   116,148,414.72x = 12,171,433,420,715,892
5. Step 5: Solve for x
   x = 12,171,433,420,715,892/116,148,414.72
6. Step 6: Final answer
   x = 104,792,075.29