Finding the Fourth Proportional to 9,988.38, 14,972.85 and 5,596.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,988.38 : 14,972.85 = 5,596.29 : x
2. Step 2: Convert to fraction form
   9,988.38/14,972.85 = 5,596.29/x
3. Step 3: Cross multiply
   9,988.38x = 14,972.85 × 5,596.29
4. Step 4: Simplify right side
   9,988.38x = 83,792,410.73
5. Step 5: Solve for x
   x = 83,792,410.73/9,988.38
6. Step 6: Final answer
   x = 8,388.99