Finding the Fourth Proportional to 17,348.18, 25,885.98 and 16,290.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,348.18 : 25,885.98 = 16,290.21 : x
2. Step 2: Convert to fraction form
   17,348.18/25,885.98 = 16,290.21/x
3. Step 3: Cross multiply
   17,348.18x = 25,885.98 × 16,290.21
4. Step 4: Simplify right side
   17,348.18x = 421,688,147.33
5. Step 5: Solve for x
   x = 421,688,147.33/17,348.18
6. Step 6: Final answer
   x = 24,307.35