Finding the Fourth Proportional to 131,185.57, 196,784.50 and 42,446.02

Step by Step Solution

1. Step 1: Write the proportion equation
   131,185.57 : 196,784.50 = 42,446.02 : x
2. Step 2: Convert to fraction form
   131,185.57/196,784.50 = 42,446.02/x
3. Step 3: Cross multiply
   131,185.57x = 196,784.50 × 42,446.02
4. Step 4: Simplify right side
   131,185.57x = 8,352,718,822.69
5. Step 5: Solve for x
   x = 8,352,718,822.69/131,185.57
6. Step 6: Final answer
   x = 63,671.02