Finding the Fourth Proportional to 31,513.87, 43,488.58 and 17,173.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,513.87 : 43,488.58 = 17,173.83 : x
2. Step 2: Convert to fraction form
   31,513.87/43,488.58 = 17,173.83/x
3. Step 3: Cross multiply
   31,513.87x = 43,488.58 × 17,173.83
4. Step 4: Simplify right side
   31,513.87x = 746,865,479.86
5. Step 5: Solve for x
   x = 746,865,479.86/31,513.87
6. Step 6: Final answer
   x = 23,699.58