Finding the Fourth Proportional to 10,319.03, 14,240.32 and 5,603.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,319.03 : 14,240.32 = 5,603.31 : x
2. Step 2: Convert to fraction form
   10,319.03/14,240.32 = 5,603.31/x
3. Step 3: Cross multiply
   10,319.03x = 14,240.32 × 5,603.31
4. Step 4: Simplify right side
   10,319.03x = 79,792,966.85
5. Step 5: Solve for x
   x = 79,792,966.85/10,319.03
6. Step 6: Final answer
   x = 7,732.60