Finding the Fourth Proportional to 31,426.93, 43,370.01 and 17,087.71

Step by Step Solution

1. Step 1: Write the proportion equation
   31,426.93 : 43,370.01 = 17,087.71 : x
2. Step 2: Convert to fraction form
   31,426.93/43,370.01 = 17,087.71/x
3. Step 3: Cross multiply
   31,426.93x = 43,370.01 × 17,087.71
4. Step 4: Simplify right side
   31,426.93x = 741,094,153.58
5. Step 5: Solve for x
   x = 741,094,153.58/31,426.93
6. Step 6: Final answer
   x = 23,581.50