Finding the Fourth Proportional to 116,047.16, 160,143.72 and 65,059.64

Step by Step Solution

1. Step 1: Write the proportion equation
   116,047.16 : 160,143.72 = 65,059.64 : x
2. Step 2: Convert to fraction form
   116,047.16/160,143.72 = 65,059.64/x
3. Step 3: Cross multiply
   116,047.16x = 160,143.72 × 65,059.64
4. Step 4: Simplify right side
   116,047.16x = 10,418,892,771.46
5. Step 5: Solve for x
   x = 10,418,892,771.46/116,047.16
6. Step 6: Final answer
   x = 89,781.54