Finding the Fourth Proportional to 21,677.01, 29,902.31 and 17,648.18

Step by Step Solution

1. Step 1: Write the proportion equation
   21,677.01 : 29,902.31 = 17,648.18 : x
2. Step 2: Convert to fraction form
   21,677.01/29,902.31 = 17,648.18/x
3. Step 3: Cross multiply
   21,677.01x = 29,902.31 × 17,648.18
4. Step 4: Simplify right side
   21,677.01x = 527,721,111.54
5. Step 5: Solve for x
   x = 527,721,111.54/21,677.01
6. Step 6: Final answer
   x = 24,344.74