Finding the Fourth Proportional to 31,423.95, 43,358.83 and 17,626.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,423.95 : 43,358.83 = 17,626.72 : x
2. Step 2: Convert to fraction form
   31,423.95/43,358.83 = 17,626.72/x
3. Step 3: Cross multiply
   31,423.95x = 43,358.83 × 17,626.72
4. Step 4: Simplify right side
   31,423.95x = 764,274,064.33
5. Step 5: Solve for x
   x = 764,274,064.33/31,423.95
6. Step 6: Final answer
   x = 24,321.39