Finding the Fourth Proportional to 14,326.58, 21,469.10 and 10,174.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,326.58 : 21,469.10 = 10,174.72 : x
2. Step 2: Convert to fraction form
   14,326.58/21,469.10 = 10,174.72/x
3. Step 3: Cross multiply
   14,326.58x = 21,469.10 × 10,174.72
4. Step 4: Simplify right side
   14,326.58x = 218,442,081.15
5. Step 5: Solve for x
   x = 218,442,081.15/14,326.58
6. Step 6: Final answer
   x = 15,247.33