Finding the Fourth Proportional to 10,319.36, 14,240.70 and 5,603.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,319.36 : 14,240.70 = 5,603.63 : x
2. Step 2: Convert to fraction form
   10,319.36/14,240.70 = 5,603.63/x
3. Step 3: Cross multiply
   10,319.36x = 14,240.70 × 5,603.63
4. Step 4: Simplify right side
   10,319.36x = 79,799,542.54
5. Step 5: Solve for x
   x = 79,799,542.54/10,319.36
6. Step 6: Final answer
   x = 7,733.00