Finding the Fourth Proportional to 22,522.16, 31,080.52 and 12,586.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,522.16 : 31,080.52 = 12,586.16 : x
2. Step 2: Convert to fraction form
   22,522.16/31,080.52 = 12,586.16/x
3. Step 3: Cross multiply
   22,522.16x = 31,080.52 × 12,586.16
4. Step 4: Simplify right side
   22,522.16x = 391,184,397.60
5. Step 5: Solve for x
   x = 391,184,397.60/22,522.16
6. Step 6: Final answer
   x = 17,368.87