Finding the Fourth Proportional to 116,288,623.85, 160,471,068.99 and 64,074,737.57

Step by Step Solution

1. Step 1: Write the proportion equation
   116,288,623.85 : 160,471,068.99 = 64,074,737.57 : x
2. Step 2: Convert to fraction form
   116,288,623.85/160,471,068.99 = 64,074,737.57/x
3. Step 3: Cross multiply
   116,288,623.85x = 160,471,068.99 × 64,074,737.57
4. Step 4: Simplify right side
   116,288,623.85x = 10,282,141,633,111,616
5. Step 5: Solve for x
   x = 10,282,141,633,111,616/116,288,623.85
6. Step 6: Final answer
   x = 88,419,153.08