Finding the Fourth Proportional to 131,513.72, 197,293.81 and 42,751.59

Step by Step Solution

1. Step 1: Write the proportion equation
   131,513.72 : 197,293.81 = 42,751.59 : x
2. Step 2: Convert to fraction form
   131,513.72/197,293.81 = 42,751.59/x
3. Step 3: Cross multiply
   131,513.72x = 197,293.81 × 42,751.59
4. Step 4: Simplify right side
   131,513.72x = 8,434,623,308.09
5. Step 5: Solve for x
   x = 8,434,623,308.09/131,513.72
6. Step 6: Final answer
   x = 64,134.93