Finding the Fourth Proportional to 31,826, 43,919.88 and 17,680.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,826 : 43,919.88 = 17,680.16 : x
2. Step 2: Convert to fraction form
   31,826/43,919.88 = 17,680.16/x
3. Step 3: Cross multiply
   31,826x = 43,919.88 × 17,680.16
4. Step 4: Simplify right side
   31,826x = 776,510,505.58
5. Step 5: Solve for x
   x = 776,510,505.58/31,826
6. Step 6: Final answer
   x = 24,398.62