Finding the Fourth Proportional to 91,561.96, 137,404.50 and 32,397.40

Step by Step Solution

1. Step 1: Write the proportion equation
   91,561.96 : 137,404.50 = 32,397.40 : x
2. Step 2: Convert to fraction form
   91,561.96/137,404.50 = 32,397.40/x
3. Step 3: Cross multiply
   91,561.96x = 137,404.50 × 32,397.40
4. Step 4: Simplify right side
   91,561.96x = 4,451,548,548.30
5. Step 5: Solve for x
   x = 4,451,548,548.30/91,561.96
6. Step 6: Final answer
   x = 48,617.88