Finding the Fourth Proportional to 9,262.15, 12,781.52 and 5,283.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,262.15 : 12,781.52 = 5,283.18 : x
2. Step 2: Convert to fraction form
   9,262.15/12,781.52 = 5,283.18/x
3. Step 3: Cross multiply
   9,262.15x = 12,781.52 × 5,283.18
4. Step 4: Simplify right side
   9,262.15x = 67,527,012.46
5. Step 5: Solve for x
   x = 67,527,012.46/9,262.15
6. Step 6: Final answer
   x = 7,290.64