Finding the Fourth Proportional to 76,542.47, 105,620.33 and 42,552.41

Step by Step Solution

1. Step 1: Write the proportion equation
   76,542.47 : 105,620.33 = 42,552.41 : x
2. Step 2: Convert to fraction form
   76,542.47/105,620.33 = 42,552.41/x
3. Step 3: Cross multiply
   76,542.47x = 105,620.33 × 42,552.41
4. Step 4: Simplify right side
   76,542.47x = 4,494,399,956.93
5. Step 5: Solve for x
   x = 4,494,399,956.93/76,542.47
6. Step 6: Final answer
   x = 58,717.73