Finding the Fourth Proportional to 9,262.28, 12,781.98 and 5,485.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,262.28 : 12,781.98 = 5,485.24 : x
2. Step 2: Convert to fraction form
   9,262.28/12,781.98 = 5,485.24/x
3. Step 3: Cross multiply
   9,262.28x = 12,781.98 × 5,485.24
4. Step 4: Simplify right side
   9,262.28x = 70,112,227.98
5. Step 5: Solve for x
   x = 70,112,227.98/9,262.28
6. Step 6: Final answer
   x = 7,569.65