Finding the Fourth Proportional to 116,280.87, 160,468.70 and 65,975.91

Step by Step Solution

1. Step 1: Write the proportion equation
   116,280.87 : 160,468.70 = 65,975.91 : x
2. Step 2: Convert to fraction form
   116,280.87/160,468.70 = 65,975.91/x
3. Step 3: Cross multiply
   116,280.87x = 160,468.70 × 65,975.91
4. Step 4: Simplify right side
   116,280.87x = 10,587,068,509.02
5. Step 5: Solve for x
   x = 10,587,068,509.02/116,280.87
6. Step 6: Final answer
   x = 91,047.38