Finding the Fourth Proportional to 31,321.06, 43,223.40 and 17,894.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,321.06 : 43,223.40 = 17,894.10 : x
2. Step 2: Convert to fraction form
   31,321.06/43,223.40 = 17,894.10/x
3. Step 3: Cross multiply
   31,321.06x = 43,223.40 × 17,894.10
4. Step 4: Simplify right side
   31,321.06x = 773,443,841.94
5. Step 5: Solve for x
   x = 773,443,841.94/31,321.06
6. Step 6: Final answer
   x = 24,694.05