Finding the Fourth Proportional to 141,943.72, 212,879.24 and 42,080.56

Step by Step Solution

1. Step 1: Write the proportion equation
   141,943.72 : 212,879.24 = 42,080.56 : x
2. Step 2: Convert to fraction form
   141,943.72/212,879.24 = 42,080.56/x
3. Step 3: Cross multiply
   141,943.72x = 212,879.24 × 42,080.56
4. Step 4: Simplify right side
   141,943.72x = 8,958,077,631.57
5. Step 5: Solve for x
   x = 8,958,077,631.57/141,943.72
6. Step 6: Final answer
   x = 63,110.07