Finding the Fourth Proportional to 14,171.48, 19,557.42 and 7,883.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,171.48 : 19,557.42 = 7,883.72 : x
2. Step 2: Convert to fraction form
   14,171.48/19,557.42 = 7,883.72/x
3. Step 3: Cross multiply
   14,171.48x = 19,557.42 × 7,883.72
4. Step 4: Simplify right side
   14,171.48x = 154,185,223.20
5. Step 5: Solve for x
   x = 154,185,223.20/14,171.48
6. Step 6: Final answer
   x = 10,879.97