Finding the Fourth Proportional to 117,423.50, 162,059.70 and 65,760.26

Step by Step Solution

1. Step 1: Write the proportion equation
   117,423.50 : 162,059.70 = 65,760.26 : x
2. Step 2: Convert to fraction form
   117,423.50/162,059.70 = 65,760.26/x
3. Step 3: Cross multiply
   117,423.50x = 162,059.70 × 65,760.26
4. Step 4: Simplify right side
   117,423.50x = 10,657,088,007.52
5. Step 5: Solve for x
   x = 10,657,088,007.52/117,423.50
6. Step 6: Final answer
   x = 90,757.71