Finding the Fourth Proportional to 116,102.63, 160,223.47 and 65,126.70

Step by Step Solution

1. Step 1: Write the proportion equation
   116,102.63 : 160,223.47 = 65,126.70 : x
2. Step 2: Convert to fraction form
   116,102.63/160,223.47 = 65,126.70/x
3. Step 3: Cross multiply
   116,102.63x = 160,223.47 × 65,126.70
4. Step 4: Simplify right side
   116,102.63x = 10,434,825,700.83
5. Step 5: Solve for x
   x = 10,434,825,700.83/116,102.63
6. Step 6: Final answer
   x = 89,875.88