Finding the Fourth Proportional to 31,212.18, 43,072.83 and 17,065.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,212.18 : 43,072.83 = 17,065.04 : x
2. Step 2: Convert to fraction form
   31,212.18/43,072.83 = 17,065.04/x
3. Step 3: Cross multiply
   31,212.18x = 43,072.83 × 17,065.04
4. Step 4: Simplify right side
   31,212.18x = 735,039,351.50
5. Step 5: Solve for x
   x = 735,039,351.50/31,212.18
6. Step 6: Final answer
   x = 23,549.76