Finding the Fourth Proportional to 10,328.02, 14,252.28 and 5,612.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,328.02 : 14,252.28 = 5,612.20 : x
2. Step 2: Convert to fraction form
   10,328.02/14,252.28 = 5,612.20/x
3. Step 3: Cross multiply
   10,328.02x = 14,252.28 × 5,612.20
4. Step 4: Simplify right side
   10,328.02x = 79,986,645.82
5. Step 5: Solve for x
   x = 79,986,645.82/10,328.02
6. Step 6: Final answer
   x = 7,744.63