Finding the Fourth Proportional to 131,443.56, 197,114.16 and 42,675.60

Step by Step Solution

1. Step 1: Write the proportion equation
   131,443.56 : 197,114.16 = 42,675.60 : x
2. Step 2: Convert to fraction form
   131,443.56/197,114.16 = 42,675.60/x
3. Step 3: Cross multiply
   131,443.56x = 197,114.16 × 42,675.60
4. Step 4: Simplify right side
   131,443.56x = 8,411,965,046.50
5. Step 5: Solve for x
   x = 8,411,965,046.50/131,443.56
6. Step 6: Final answer
   x = 63,996.78