Finding the Fourth Proportional to 31,681.42, 43,721.04 and 17,535.22

Step by Step Solution

1. Step 1: Write the proportion equation
   31,681.42 : 43,721.04 = 17,535.22 : x
2. Step 2: Convert to fraction form
   31,681.42/43,721.04 = 17,535.22/x
3. Step 3: Cross multiply
   31,681.42x = 43,721.04 × 17,535.22
4. Step 4: Simplify right side
   31,681.42x = 766,658,055.03
5. Step 5: Solve for x
   x = 766,658,055.03/31,681.42
6. Step 6: Final answer
   x = 24,198.98