Finding the Fourth Proportional to 71,601.98, 98,804.75 and 39,335.63

Step by Step Solution

1. Step 1: Write the proportion equation
   71,601.98 : 98,804.75 = 39,335.63 : x
2. Step 2: Convert to fraction form
   71,601.98/98,804.75 = 39,335.63/x
3. Step 3: Cross multiply
   71,601.98x = 98,804.75 × 39,335.63
4. Step 4: Simplify right side
   71,601.98x = 3,886,546,397.54
5. Step 5: Solve for x
   x = 3,886,546,397.54/71,601.98
6. Step 6: Final answer
   x = 54,279.88