Finding the Fourth Proportional to 91,693.10, 137,512.98 and 35,520.68

Step by Step Solution

1. Step 1: Write the proportion equation
   91,693.10 : 137,512.98 = 35,520.68 : x
2. Step 2: Convert to fraction form
   91,693.10/137,512.98 = 35,520.68/x
3. Step 3: Cross multiply
   91,693.10x = 137,512.98 × 35,520.68
4. Step 4: Simplify right side
   91,693.10x = 4,884,553,870.86
5. Step 5: Solve for x
   x = 4,884,553,870.86/91,693.10
6. Step 6: Final answer
   x = 53,270.68