Finding the Fourth Proportional to 12,123.43, 16,738.10 and 10,927.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,123.43 : 16,738.10 = 10,927.87 : x
2. Step 2: Convert to fraction form
   12,123.43/16,738.10 = 10,927.87/x
3. Step 3: Cross multiply
   12,123.43x = 16,738.10 × 10,927.87
4. Step 4: Simplify right side
   12,123.43x = 182,911,780.85
5. Step 5: Solve for x
   x = 182,911,780.85/12,123.43
6. Step 6: Final answer
   x = 15,087.46