Finding the Fourth Proportional to 76,314.99, 105,321.16 and 42,334.43

Step by Step Solution

1. Step 1: Write the proportion equation
   76,314.99 : 105,321.16 = 42,334.43 : x
2. Step 2: Convert to fraction form
   76,314.99/105,321.16 = 42,334.43/x
3. Step 3: Cross multiply
   76,314.99x = 105,321.16 × 42,334.43
4. Step 4: Simplify right side
   76,314.99x = 4,458,711,098.07
5. Step 5: Solve for x
   x = 4,458,711,098.07/76,314.99
6. Step 6: Final answer
   x = 58,425.10