Finding the Fourth Proportional to 131,393.02, 196,964.82 and 42,584.10

Step by Step Solution

1. Step 1: Write the proportion equation
   131,393.02 : 196,964.82 = 42,584.10 : x
2. Step 2: Convert to fraction form
   131,393.02/196,964.82 = 42,584.10/x
3. Step 3: Cross multiply
   131,393.02x = 196,964.82 × 42,584.10
4. Step 4: Simplify right side
   131,393.02x = 8,387,569,591.36
5. Step 5: Solve for x
   x = 8,387,569,591.36/131,393.02
6. Step 6: Final answer
   x = 63,835.73