Finding the Fourth Proportional to 91,200.52, 136,861.76 and 35,086.96

Step by Step Solution

1. Step 1: Write the proportion equation
   91,200.52 : 136,861.76 = 35,086.96 : x
2. Step 2: Convert to fraction form
   91,200.52/136,861.76 = 35,086.96/x
3. Step 3: Cross multiply
   91,200.52x = 136,861.76 × 35,086.96
4. Step 4: Simplify right side
   91,200.52x = 4,802,063,098.65
5. Step 5: Solve for x
   x = 4,802,063,098.65/91,200.52
6. Step 6: Final answer
   x = 52,653.90