Finding the Fourth Proportional to 31,535.68, 43,519.06 and 17,388.54

Step by Step Solution

1. Step 1: Write the proportion equation
   31,535.68 : 43,519.06 = 17,388.54 : x
2. Step 2: Convert to fraction form
   31,535.68/43,519.06 = 17,388.54/x
3. Step 3: Cross multiply
   31,535.68x = 43,519.06 × 17,388.54
4. Step 4: Simplify right side
   31,535.68x = 756,732,915.57
5. Step 5: Solve for x
   x = 756,732,915.57/31,535.68
6. Step 6: Final answer
   x = 23,996.09