Finding the Fourth Proportional to 76,114.55, 105,035.94 and 42,124.46

Step by Step Solution

1. Step 1: Write the proportion equation
   76,114.55 : 105,035.94 = 42,124.46 : x
2. Step 2: Convert to fraction form
   76,114.55/105,035.94 = 42,124.46/x
3. Step 3: Cross multiply
   76,114.55x = 105,035.94 × 42,124.46
4. Step 4: Simplify right side
   76,114.55x = 4,424,581,727.91
5. Step 5: Solve for x
   x = 4,424,581,727.91/76,114.55
6. Step 6: Final answer
   x = 58,130.56