Finding the Fourth Proportional to 31,826.06, 43,910.06 and 18,392.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,826.06 : 43,910.06 = 18,392.42 : x
2. Step 2: Convert to fraction form
   31,826.06/43,910.06 = 18,392.42/x
3. Step 3: Cross multiply
   31,826.06x = 43,910.06 × 18,392.42
4. Step 4: Simplify right side
   31,826.06x = 807,612,265.75
5. Step 5: Solve for x
   x = 807,612,265.75/31,826.06
6. Step 6: Final answer
   x = 25,375.82