Finding the Fourth Proportional to 31,717.10, 43,767.71 and 17,374.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,717.10 : 43,767.71 = 17,374.06 : x
2. Step 2: Convert to fraction form
   31,717.10/43,767.71 = 17,374.06/x
3. Step 3: Cross multiply
   31,717.10x = 43,767.71 × 17,374.06
4. Step 4: Simplify right side
   31,717.10x = 760,422,819.60
5. Step 5: Solve for x
   x = 760,422,819.60/31,717.10
6. Step 6: Final answer
   x = 23,975.17