Finding the Fourth Proportional to 22,808.05, 31,466.17 and 13,246.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,808.05 : 31,466.17 = 13,246.30 : x
2. Step 2: Convert to fraction form
   22,808.05/31,466.17 = 13,246.30/x
3. Step 3: Cross multiply
   22,808.05x = 31,466.17 × 13,246.30
4. Step 4: Simplify right side
   22,808.05x = 416,810,327.67
5. Step 5: Solve for x
   x = 416,810,327.67/22,808.05
6. Step 6: Final answer
   x = 18,274.70