Finding the Fourth Proportional to 76,114.62, 105,043.41 and 42,124.53

Step by Step Solution

1. Step 1: Write the proportion equation
   76,114.62 : 105,043.41 = 42,124.53 : x
2. Step 2: Convert to fraction form
   76,114.62/105,043.41 = 42,124.53/x
3. Step 3: Cross multiply
   76,114.62x = 105,043.41 × 42,124.53
4. Step 4: Simplify right side
   76,114.62x = 4,424,904,275.85
5. Step 5: Solve for x
   x = 4,424,904,275.85/76,114.62
6. Step 6: Final answer
   x = 58,134.75