Finding the Fourth Proportional to 31,826.32, 43,918.61 and 17,678.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,826.32 : 43,918.61 = 17,678.25 : x
2. Step 2: Convert to fraction form
   31,826.32/43,918.61 = 17,678.25/x
3. Step 3: Cross multiply
   31,826.32x = 43,918.61 × 17,678.25
4. Step 4: Simplify right side
   31,826.32x = 776,404,078.84
5. Step 5: Solve for x
   x = 776,404,078.84/31,826.32
6. Step 6: Final answer
   x = 24,395.03