Finding the Fourth Proportional to 13,143.52, 19,714.72 and 5,352.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,143.52 : 19,714.72 = 5,352.48 : x
2. Step 2: Convert to fraction form
   13,143.52/19,714.72 = 5,352.48/x
3. Step 3: Cross multiply
   13,143.52x = 19,714.72 × 5,352.48
4. Step 4: Simplify right side
   13,143.52x = 105,522,644.51
5. Step 5: Solve for x
   x = 105,522,644.51/13,143.52
6. Step 6: Final answer
   x = 8,028.49