Finding the Fourth Proportional to 31,377.29, 43,300.96 and 17,230.43

Step by Step Solution

1. Step 1: Write the proportion equation
   31,377.29 : 43,300.96 = 17,230.43 : x
2. Step 2: Convert to fraction form
   31,377.29/43,300.96 = 17,230.43/x
3. Step 3: Cross multiply
   31,377.29x = 43,300.96 × 17,230.43
4. Step 4: Simplify right side
   31,377.29x = 746,094,095.32
5. Step 5: Solve for x
   x = 746,094,095.32/31,377.29
6. Step 6: Final answer
   x = 23,778.16