Finding the Fourth Proportional to 74,456.07, 102,753.30 and 42,629.73

Step by Step Solution

1. Step 1: Write the proportion equation
   74,456.07 : 102,753.30 = 42,629.73 : x
2. Step 2: Convert to fraction form
   74,456.07/102,753.30 = 42,629.73/x
3. Step 3: Cross multiply
   74,456.07x = 102,753.30 × 42,629.73
4. Step 4: Simplify right side
   74,456.07x = 4,380,345,435.61
5. Step 5: Solve for x
   x = 4,380,345,435.61/74,456.07
6. Step 6: Final answer
   x = 58,831.27