Finding the Fourth Proportional to 141,997.59, 212,959.92 and 42,134.15

Step by Step Solution

1. Step 1: Write the proportion equation
   141,997.59 : 212,959.92 = 42,134.15 : x
2. Step 2: Convert to fraction form
   141,997.59/212,959.92 = 42,134.15/x
3. Step 3: Cross multiply
   141,997.59x = 212,959.92 × 42,134.15
4. Step 4: Simplify right side
   141,997.59x = 8,972,884,148.47
5. Step 5: Solve for x
   x = 8,972,884,148.47/141,997.59
6. Step 6: Final answer
   x = 63,190.40