Finding the Fourth Proportional to 91,485.32, 137,199.96 and 32,307.12

Step by Step Solution

1. Step 1: Write the proportion equation
   91,485.32 : 137,199.96 = 32,307.12 : x
2. Step 2: Convert to fraction form
   91,485.32/137,199.96 = 32,307.12/x
3. Step 3: Cross multiply
   91,485.32x = 137,199.96 × 32,307.12
4. Step 4: Simplify right side
   91,485.32x = 4,432,535,571.72
5. Step 5: Solve for x
   x = 4,432,535,571.72/91,485.32
6. Step 6: Final answer
   x = 48,450.79