Finding the Fourth Proportional to 131,002.18, 196,338.96 and 56,034.31

Step by Step Solution

1. Step 1: Write the proportion equation
   131,002.18 : 196,338.96 = 56,034.31 : x
2. Step 2: Convert to fraction form
   131,002.18/196,338.96 = 56,034.31/x
3. Step 3: Cross multiply
   131,002.18x = 196,338.96 × 56,034.31
4. Step 4: Simplify right side
   131,002.18x = 11,001,718,149.72
5. Step 5: Solve for x
   x = 11,001,718,149.72/131,002.18
6. Step 6: Final answer
   x = 83,981.18