Finding the Fourth Proportional to 11,123.34, 16,686.05 and 4,103.07

Step by Step Solution

1. Step 1: Write the proportion equation
   11,123.34 : 16,686.05 = 4,103.07 : x
2. Step 2: Convert to fraction form
   11,123.34/16,686.05 = 4,103.07/x
3. Step 3: Cross multiply
   11,123.34x = 16,686.05 × 4,103.07
4. Step 4: Simplify right side
   11,123.34x = 68,464,010.66
5. Step 5: Solve for x
   x = 68,464,010.66/11,123.34
6. Step 6: Final answer
   x = 6,154.99