Finding the Fourth Proportional to 131,360.43, 197,069.46 and 42,622.89

Step by Step Solution

1. Step 1: Write the proportion equation
   131,360.43 : 197,069.46 = 42,622.89 : x
2. Step 2: Convert to fraction form
   131,360.43/197,069.46 = 42,622.89/x
3. Step 3: Cross multiply
   131,360.43x = 197,069.46 × 42,622.89
4. Step 4: Simplify right side
   131,360.43x = 8,399,669,915.94
5. Step 5: Solve for x
   x = 8,399,669,915.94/131,360.43
6. Step 6: Final answer
   x = 63,943.68