Finding the Fourth Proportional to 131,659.33, 197,509.48 and 42,892.17

Step by Step Solution

1. Step 1: Write the proportion equation
   131,659.33 : 197,509.48 = 42,892.17 : x
2. Step 2: Convert to fraction form
   131,659.33/197,509.48 = 42,892.17/x
3. Step 3: Cross multiply
   131,659.33x = 197,509.48 × 42,892.17
4. Step 4: Simplify right side
   131,659.33x = 8,471,609,978.31
5. Step 5: Solve for x
   x = 8,471,609,978.31/131,659.33
6. Step 6: Final answer
   x = 64,344.93