Finding the Fourth Proportional to 71,596.38, 98,803 and 39,768.24

Step by Step Solution

1. Step 1: Write the proportion equation
   71,596.38 : 98,803 = 39,768.24 : x
2. Step 2: Convert to fraction form
   71,596.38/98,803 = 39,768.24/x
3. Step 3: Cross multiply
   71,596.38x = 98,803 × 39,768.24
4. Step 4: Simplify right side
   71,596.38x = 3,929,221,416.72
5. Step 5: Solve for x
   x = 3,929,221,416.72/71,596.38
6. Step 6: Final answer
   x = 54,880.17