Finding the Fourth Proportional to 31,221.33, 43,085.78 and 17,074.14

Step by Step Solution

1. Step 1: Write the proportion equation
   31,221.33 : 43,085.78 = 17,074.14 : x
2. Step 2: Convert to fraction form
   31,221.33/43,085.78 = 17,074.14/x
3. Step 3: Cross multiply
   31,221.33x = 43,085.78 × 17,074.14
4. Step 4: Simplify right side
   31,221.33x = 735,652,639.73
5. Step 5: Solve for x
   x = 735,652,639.73/31,221.33
6. Step 6: Final answer
   x = 23,562.50