Finding the Fourth Proportional to 22,664.58, 31,275.28 and 13,105.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,664.58 : 31,275.28 = 13,105.08 : x
2. Step 2: Convert to fraction form
   22,664.58/31,275.28 = 13,105.08/x
3. Step 3: Cross multiply
   22,664.58x = 31,275.28 × 13,105.08
4. Step 4: Simplify right side
   22,664.58x = 409,865,046.42
5. Step 5: Solve for x
   x = 409,865,046.42/22,664.58
6. Step 6: Final answer
   x = 18,083.95