Finding the Fourth Proportional to 116,565,385.32, 160,860,471.30 and 64,354,521.96

Step by Step Solution

1. Step 1: Write the proportion equation
   116,565,385.32 : 160,860,471.30 = 64,354,521.96 : x
2. Step 2: Convert to fraction form
   116,565,385.32/160,860,471.30 = 64,354,521.96/x
3. Step 3: Cross multiply
   116,565,385.32x = 160,860,471.30 × 64,354,521.96
4. Step 4: Simplify right side
   116,565,385.32x = 10,352,098,732,771,800
5. Step 5: Solve for x
   x = 10,352,098,732,771,800/116,565,385.32
6. Step 6: Final answer
   x = 88,809,372.56