Finding the Fourth Proportional to 31,377.33, 43,300.77 and 17,231.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,377.33 : 43,300.77 = 17,231.10 : x
2. Step 2: Convert to fraction form
   31,377.33/43,300.77 = 17,231.10/x
3. Step 3: Cross multiply
   31,377.33x = 43,300.77 × 17,231.10
4. Step 4: Simplify right side
   31,377.33x = 746,119,897.95
5. Step 5: Solve for x
   x = 746,119,897.95/31,377.33
6. Step 6: Final answer
   x = 23,778.95