Finding the Fourth Proportional to 12,262.16, 18,392.18 and 7,582.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,262.16 : 18,392.18 = 7,582.89 : x
2. Step 2: Convert to fraction form
   12,262.16/18,392.18 = 7,582.89/x
3. Step 3: Cross multiply
   12,262.16x = 18,392.18 × 7,582.89
4. Step 4: Simplify right side
   12,262.16x = 139,465,877.80
5. Step 5: Solve for x
   x = 139,465,877.80/12,262.16
6. Step 6: Final answer
   x = 11,373.68