Finding the Fourth Proportional to 17,031.84, 25,522.72 and 8,586.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,031.84 : 25,522.72 = 8,586.80 : x
2. Step 2: Convert to fraction form
   17,031.84/25,522.72 = 8,586.80/x
3. Step 3: Cross multiply
   17,031.84x = 25,522.72 × 8,586.80
4. Step 4: Simplify right side
   17,031.84x = 219,158,492.10
5. Step 5: Solve for x
   x = 219,158,492.10/17,031.84
6. Step 6: Final answer
   x = 12,867.58