Finding the Fourth Proportional to 31,747.83, 43,809.72 and 17,405.37

Step by Step Solution

1. Step 1: Write the proportion equation
   31,747.83 : 43,809.72 = 17,405.37 : x
2. Step 2: Convert to fraction form
   31,747.83/43,809.72 = 17,405.37/x
3. Step 3: Cross multiply
   31,747.83x = 43,809.72 × 17,405.37
4. Step 4: Simplify right side
   31,747.83x = 762,524,386.20
5. Step 5: Solve for x
   x = 762,524,386.20/31,747.83
6. Step 6: Final answer
   x = 24,018.16