Finding the Fourth Proportional to 116,445.62, 160,711.98 and 65,462.56

Step by Step Solution

1. Step 1: Write the proportion equation
   116,445.62 : 160,711.98 = 65,462.56 : x
2. Step 2: Convert to fraction form
   116,445.62/160,711.98 = 65,462.56/x
3. Step 3: Cross multiply
   116,445.62x = 160,711.98 × 65,462.56
4. Step 4: Simplify right side
   116,445.62x = 10,520,617,633.47
5. Step 5: Solve for x
   x = 10,520,617,633.47/116,445.62
6. Step 6: Final answer
   x = 90,347.90