Finding the Fourth Proportional to 31,188.92, 43,036.72 and 17,758.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,188.92 : 43,036.72 = 17,758.31 : x
2. Step 2: Convert to fraction form
   31,188.92/43,036.72 = 17,758.31/x
3. Step 3: Cross multiply
   31,188.92x = 43,036.72 × 17,758.31
4. Step 4: Simplify right side
   31,188.92x = 764,259,155.56
5. Step 5: Solve for x
   x = 764,259,155.56/31,188.92
6. Step 6: Final answer
   x = 24,504.19