Finding the Fourth Proportional to 31,411.84, 43,351.52 and 17,984.32

Step by Step Solution

1. Step 1: Write the proportion equation
   31,411.84 : 43,351.52 = 17,984.32 : x
2. Step 2: Convert to fraction form
   31,411.84/43,351.52 = 17,984.32/x
3. Step 3: Cross multiply
   31,411.84x = 43,351.52 × 17,984.32
4. Step 4: Simplify right side
   31,411.84x = 779,647,608.17
5. Step 5: Solve for x
   x = 779,647,608.17/31,411.84
6. Step 6: Final answer
   x = 24,820.18