Finding the Fourth Proportional to 76,604.43, 105,701.25 and 42,608.43

Step by Step Solution

1. Step 1: Write the proportion equation
   76,604.43 : 105,701.25 = 42,608.43 : x
2. Step 2: Convert to fraction form
   76,604.43/105,701.25 = 42,608.43/x
3. Step 3: Cross multiply
   76,604.43x = 105,701.25 × 42,608.43
4. Step 4: Simplify right side
   76,604.43x = 4,503,764,471.32
5. Step 5: Solve for x
   x = 4,503,764,471.32/76,604.43
6. Step 6: Final answer
   x = 58,792.48