Finding the Fourth Proportional to 22,877.12, 31,571.01 and 12,805.17

Step by Step Solution

1. Step 1: Write the proportion equation
   22,877.12 : 31,571.01 = 12,805.17 : x
2. Step 2: Convert to fraction form
   22,877.12/31,571.01 = 12,805.17/x
3. Step 3: Cross multiply
   22,877.12x = 31,571.01 × 12,805.17
4. Step 4: Simplify right side
   22,877.12x = 404,272,150.12
5. Step 5: Solve for x
   x = 404,272,150.12/22,877.12
6. Step 6: Final answer
   x = 17,671.47