Finding the Fourth Proportional to 91,509.55, 137,239.72 and 32,329.33

Step by Step Solution

1. Step 1: Write the proportion equation
   91,509.55 : 137,239.72 = 32,329.33 : x
2. Step 2: Convert to fraction form
   91,509.55/137,239.72 = 32,329.33/x
3. Step 3: Cross multiply
   91,509.55x = 137,239.72 × 32,329.33
4. Step 4: Simplify right side
   91,509.55x = 4,436,867,773.06
5. Step 5: Solve for x
   x = 4,436,867,773.06/91,509.55
6. Step 6: Final answer
   x = 48,485.30