Finding the Fourth Proportional to 9,264.17, 12,781.40 and 5,282.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,264.17 : 12,781.40 = 5,282.42 : x
2. Step 2: Convert to fraction form
   9,264.17/12,781.40 = 5,282.42/x
3. Step 3: Cross multiply
   9,264.17x = 12,781.40 × 5,282.42
4. Step 4: Simplify right side
   9,264.17x = 67,516,632.67
5. Step 5: Solve for x
   x = 67,516,632.67/9,264.17
6. Step 6: Final answer
   x = 7,287.93