Finding the Fourth Proportional to 22,586.16, 31,168.06 and 13,026.45

Step by Step Solution

1. Step 1: Write the proportion equation
   22,586.16 : 31,168.06 = 13,026.45 : x
2. Step 2: Convert to fraction form
   22,586.16/31,168.06 = 13,026.45/x
3. Step 3: Cross multiply
   22,586.16x = 31,168.06 × 13,026.45
4. Step 4: Simplify right side
   22,586.16x = 406,008,996.52
5. Step 5: Solve for x
   x = 406,008,996.52/22,586.16
6. Step 6: Final answer
   x = 17,976.01