Finding the Fourth Proportional to 76,517.38, 105,593.89 and 42,524.79

Step by Step Solution

1. Step 1: Write the proportion equation
   76,517.38 : 105,593.89 = 42,524.79 : x
2. Step 2: Convert to fraction form
   76,517.38/105,593.89 = 42,524.79/x
3. Step 3: Cross multiply
   76,517.38x = 105,593.89 × 42,524.79
4. Step 4: Simplify right side
   76,517.38x = 4,490,357,997.53
5. Step 5: Solve for x
   x = 4,490,357,997.53/76,517.38
6. Step 6: Final answer
   x = 58,684.16