Finding the Fourth Proportional to 14,456.48, 19,955.52 and 12,432

Step by Step Solution

1. Step 1: Write the proportion equation
   14,456.48 : 19,955.52 = 12,432 : x
2. Step 2: Convert to fraction form
   14,456.48/19,955.52 = 12,432/x
3. Step 3: Cross multiply
   14,456.48x = 19,955.52 × 12,432
4. Step 4: Simplify right side
   14,456.48x = 248,087,024.64
5. Step 5: Solve for x
   x = 248,087,024.64/14,456.48
6. Step 6: Final answer
   x = 17,160.96