Finding the Fourth Proportional to 16,735.57, 25,085.84 and 5,638.43

Step by Step Solution

1. Step 1: Write the proportion equation
   16,735.57 : 25,085.84 = 5,638.43 : x
2. Step 2: Convert to fraction form
   16,735.57/25,085.84 = 5,638.43/x
3. Step 3: Cross multiply
   16,735.57x = 25,085.84 × 5,638.43
4. Step 4: Simplify right side
   16,735.57x = 141,444,641.50
5. Step 5: Solve for x
   x = 141,444,641.50/16,735.57
6. Step 6: Final answer
   x = 8,451.74