Finding the Fourth Proportional to 131,581.56, 197,401.50 and 38,088.12

Step by Step Solution

1. Step 1: Write the proportion equation
   131,581.56 : 197,401.50 = 38,088.12 : x
2. Step 2: Convert to fraction form
   131,581.56/197,401.50 = 38,088.12/x
3. Step 3: Cross multiply
   131,581.56x = 197,401.50 × 38,088.12
4. Step 4: Simplify right side
   131,581.56x = 7,518,652,020.18
5. Step 5: Solve for x
   x = 7,518,652,020.18/131,581.56
6. Step 6: Final answer
   x = 57,140.62