Finding the Fourth Proportional to 22,479.20, 31,019.08 and 13,046.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,479.20 : 31,019.08 = 13,046.84 : x
2. Step 2: Convert to fraction form
   22,479.20/31,019.08 = 13,046.84/x
3. Step 3: Cross multiply
   22,479.20x = 31,019.08 × 13,046.84
4. Step 4: Simplify right side
   22,479.20x = 404,700,973.71
5. Step 5: Solve for x
   x = 404,700,973.71/22,479.20
6. Step 6: Final answer
   x = 18,003.35