Finding the Fourth Proportional to 22,921.06, 31,633.30 and 12,849.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,921.06 : 31,633.30 = 12,849.52 : x
2. Step 2: Convert to fraction form
   22,921.06/31,633.30 = 12,849.52/x
3. Step 3: Cross multiply
   22,921.06x = 31,633.30 × 12,849.52
4. Step 4: Simplify right side
   22,921.06x = 406,472,721.02
5. Step 5: Solve for x
   x = 406,472,721.02/22,921.06
6. Step 6: Final answer
   x = 17,733.59