Finding the Fourth Proportional to 11,123.23, 16,678.71 and 4,554.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,123.23 : 16,678.71 = 4,554.04 : x
2. Step 2: Convert to fraction form
   11,123.23/16,678.71 = 4,554.04/x
3. Step 3: Cross multiply
   11,123.23x = 16,678.71 × 4,554.04
4. Step 4: Simplify right side
   11,123.23x = 75,955,512.49
5. Step 5: Solve for x
   x = 75,955,512.49/11,123.23
6. Step 6: Final answer
   x = 6,828.55