Finding the Fourth Proportional to 31,870.10, 43,979.97 and 17,333.91

Step by Step Solution

1. Step 1: Write the proportion equation
   31,870.10 : 43,979.97 = 17,333.91 : x
2. Step 2: Convert to fraction form
   31,870.10/43,979.97 = 17,333.91/x
3. Step 3: Cross multiply
   31,870.10x = 43,979.97 × 17,333.91
4. Step 4: Simplify right side
   31,870.10x = 762,344,841.78
5. Step 5: Solve for x
   x = 762,344,841.78/31,870.10
6. Step 6: Final answer
   x = 23,920.38