Finding the Fourth Proportional to 12,124.78, 16,726.69 and 8,762.26

Step by Step Solution

1. Step 1: Write the proportion equation
   12,124.78 : 16,726.69 = 8,762.26 : x
2. Step 2: Convert to fraction form
   12,124.78/16,726.69 = 8,762.26/x
3. Step 3: Cross multiply
   12,124.78x = 16,726.69 × 8,762.26
4. Step 4: Simplify right side
   12,124.78x = 146,563,665.46
5. Step 5: Solve for x
   x = 146,563,665.46/12,124.78
6. Step 6: Final answer
   x = 12,087.95