Finding the Fourth Proportional to 10,560.20, 14,578.85 and 7,208.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,560.20 : 14,578.85 = 7,208.01 : x
2. Step 2: Convert to fraction form
   10,560.20/14,578.85 = 7,208.01/x
3. Step 3: Cross multiply
   10,560.20x = 14,578.85 × 7,208.01
4. Step 4: Simplify right side
   10,560.20x = 105,084,514.61
5. Step 5: Solve for x
   x = 105,084,514.61/10,560.20
6. Step 6: Final answer
   x = 9,951.00