Finding the Fourth Proportional to 22,796.18, 31,460.31 and 12,726.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,796.18 : 31,460.31 = 12,726.60 : x
2. Step 2: Convert to fraction form
   22,796.18/31,460.31 = 12,726.60/x
3. Step 3: Cross multiply
   22,796.18x = 31,460.31 × 12,726.60
4. Step 4: Simplify right side
   22,796.18x = 400,382,781.25
5. Step 5: Solve for x
   x = 400,382,781.25/22,796.18
6. Step 6: Final answer
   x = 17,563.59