Finding the Fourth Proportional to 12,124.82, 16,726.73 and 8,762.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,124.82 : 16,726.73 = 8,762.31 : x
2. Step 2: Convert to fraction form
   12,124.82/16,726.73 = 8,762.31/x
3. Step 3: Cross multiply
   12,124.82x = 16,726.73 × 8,762.31
4. Step 4: Simplify right side
   12,124.82x = 146,564,749.73
5. Step 5: Solve for x
   x = 146,564,749.73/12,124.82
6. Step 6: Final answer
   x = 12,087.99