Finding the Fourth Proportional to 17,604.73, 26,401.58 and 5,915.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,604.73 : 26,401.58 = 5,915.21 : x
2. Step 2: Convert to fraction form
   17,604.73/26,401.58 = 5,915.21/x
3. Step 3: Cross multiply
   17,604.73x = 26,401.58 × 5,915.21
4. Step 4: Simplify right side
   17,604.73x = 156,170,860.46
5. Step 5: Solve for x
   x = 156,170,860.46/17,604.73
6. Step 6: Final answer
   x = 8,870.96