Finding the Fourth Proportional to 14,370.72, 19,828.61 and 8,401.23

Step by Step Solution

1. Step 1: Write the proportion equation
   14,370.72 : 19,828.61 = 8,401.23 : x
2. Step 2: Convert to fraction form
   14,370.72/19,828.61 = 8,401.23/x
3. Step 3: Cross multiply
   14,370.72x = 19,828.61 × 8,401.23
4. Step 4: Simplify right side
   14,370.72x = 166,584,713.19
5. Step 5: Solve for x
   x = 166,584,713.19/14,370.72
6. Step 6: Final answer
   x = 11,591.95