Finding the Fourth Proportional to 22,479.47, 31,152.85 and 22,162.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,479.47 : 31,152.85 = 22,162.36 : x
2. Step 2: Convert to fraction form
   22,479.47/31,152.85 = 22,162.36/x
3. Step 3: Cross multiply
   22,479.47x = 31,152.85 × 22,162.36
4. Step 4: Simplify right side
   22,479.47x = 690,420,726.51
5. Step 5: Solve for x
   x = 690,420,726.51/22,479.47
6. Step 6: Final answer
   x = 30,713.38