Finding the Fourth Proportional to 22,919.00, 31,630.16 and 13,231.58

Step by Step Solution

1. Step 1: Write the proportion equation
   22,919.00 : 31,630.16 = 13,231.58 : x
2. Step 2: Convert to fraction form
   22,919.00/31,630.16 = 13,231.58/x
3. Step 3: Cross multiply
   22,919.00x = 31,630.16 × 13,231.58
4. Step 4: Simplify right side
   22,919.00x = 418,516,867.38
5. Step 5: Solve for x
   x = 418,516,867.38/22,919.00
6. Step 6: Final answer
   x = 18,260.70