Finding the Fourth Proportional to 16,848.52, 23,247.72 and 10,557.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,848.52 : 23,247.72 = 10,557.28 : x
2. Step 2: Convert to fraction form
   16,848.52/23,247.72 = 10,557.28/x
3. Step 3: Cross multiply
   16,848.52x = 23,247.72 × 10,557.28
4. Step 4: Simplify right side
   16,848.52x = 245,432,689.40
5. Step 5: Solve for x
   x = 245,432,689.40/16,848.52
6. Step 6: Final answer
   x = 14,567.02