Finding the Fourth Proportional to 6,446.88, 8,898.72 and 3,654.24

Step by Step Solution

1. Step 1: Write the proportion equation
   6,446.88 : 8,898.72 = 3,654.24 : x
2. Step 2: Convert to fraction form
   6,446.88/8,898.72 = 3,654.24/x
3. Step 3: Cross multiply
   6,446.88x = 8,898.72 × 3,654.24
4. Step 4: Simplify right side
   6,446.88x = 32,518,058.57
5. Step 5: Solve for x
   x = 32,518,058.57/6,446.88
6. Step 6: Final answer
   x = 5,044.00