Finding the Fourth Proportional to 13,248.43, 19,871.43 and 4,483.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,248.43 : 19,871.43 = 4,483.42 : x
2. Step 2: Convert to fraction form
   13,248.43/19,871.43 = 4,483.42/x
3. Step 3: Cross multiply
   13,248.43x = 19,871.43 × 4,483.42
4. Step 4: Simplify right side
   13,248.43x = 89,091,900.20
5. Step 5: Solve for x
   x = 89,091,900.20/13,248.43
6. Step 6: Final answer
   x = 6,724.72