Finding the Fourth Proportional to 10,535.43, 14,526.77 and 7,180.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,535.43 : 14,526.77 = 7,180.28 : x
2. Step 2: Convert to fraction form
   10,535.43/14,526.77 = 7,180.28/x
3. Step 3: Cross multiply
   10,535.43x = 14,526.77 × 7,180.28
4. Step 4: Simplify right side
   10,535.43x = 104,306,167.56
5. Step 5: Solve for x
   x = 104,306,167.56/10,535.43
6. Step 6: Final answer
   x = 9,900.51