Finding the Fourth Proportional to 22,522.55, 31,077.81 and 12,832.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,522.55 : 31,077.81 = 12,832.10 : x
2. Step 2: Convert to fraction form
   22,522.55/31,077.81 = 12,832.10/x
3. Step 3: Cross multiply
   22,522.55x = 31,077.81 × 12,832.10
4. Step 4: Simplify right side
   22,522.55x = 398,793,410.31
5. Step 5: Solve for x
   x = 398,793,410.31/22,522.55
6. Step 6: Final answer
   x = 17,706.41