Finding the Fourth Proportional to 71,028.86, 98,020.37 and 38,763.72

Step by Step Solution

1. Step 1: Write the proportion equation
   71,028.86 : 98,020.37 = 38,763.72 : x
2. Step 2: Convert to fraction form
   71,028.86/98,020.37 = 38,763.72/x
3. Step 3: Cross multiply
   71,028.86x = 98,020.37 × 38,763.72
4. Step 4: Simplify right side
   71,028.86x = 3,799,634,273.89
5. Step 5: Solve for x
   x = 3,799,634,273.89/71,028.86
6. Step 6: Final answer
   x = 53,494.24