Finding the Fourth Proportional to 91,480.10, 137,216.03 and 38,150.12

Step by Step Solution

1. Step 1: Write the proportion equation
   91,480.10 : 137,216.03 = 38,150.12 : x
2. Step 2: Convert to fraction form
   91,480.10/137,216.03 = 38,150.12/x
3. Step 3: Cross multiply
   91,480.10x = 137,216.03 × 38,150.12
4. Step 4: Simplify right side
   91,480.10x = 5,234,808,010.42
5. Step 5: Solve for x
   x = 5,234,808,010.42/91,480.10
6. Step 6: Final answer
   x = 57,223.46