Finding the Fourth Proportional to 76,151.62, 105,092.68 and 42,617.62

Step by Step Solution

1. Step 1: Write the proportion equation
   76,151.62 : 105,092.68 = 42,617.62 : x
2. Step 2: Convert to fraction form
   76,151.62/105,092.68 = 42,617.62/x
3. Step 3: Cross multiply
   76,151.62x = 105,092.68 × 42,617.62
4. Step 4: Simplify right side
   76,151.62x = 4,478,799,901.02
5. Step 5: Solve for x
   x = 4,478,799,901.02/76,151.62
6. Step 6: Final answer
   x = 58,814.24