Finding the Fourth Proportional to 76,562.50, 105,659.76 and 42,574.46

Step by Step Solution

1. Step 1: Write the proportion equation
   76,562.50 : 105,659.76 = 42,574.46 : x
2. Step 2: Convert to fraction form
   76,562.50/105,659.76 = 42,574.46/x
3. Step 3: Cross multiply
   76,562.50x = 105,659.76 × 42,574.46
4. Step 4: Simplify right side
   76,562.50x = 4,498,407,225.73
5. Step 5: Solve for x
   x = 4,498,407,225.73/76,562.50
6. Step 6: Final answer
   x = 58,754.71