Finding the Fourth Proportional to 141,878.86, 212,849.42 and 42,046.87

Step by Step Solution

1. Step 1: Write the proportion equation
   141,878.86 : 212,849.42 = 42,046.87 : x
2. Step 2: Convert to fraction form
   141,878.86/212,849.42 = 42,046.87/x
3. Step 3: Cross multiply
   141,878.86x = 212,849.42 × 42,046.87
4. Step 4: Simplify right side
   141,878.86x = 8,949,651,892.32
5. Step 5: Solve for x
   x = 8,949,651,892.32/141,878.86
6. Step 6: Final answer
   x = 63,079.53