Finding the Fourth Proportional to 31,812.18, 43,902.27 and 17,665.08

Step by Step Solution

1. Step 1: Write the proportion equation
   31,812.18 : 43,902.27 = 17,665.08 : x
2. Step 2: Convert to fraction form
   31,812.18/43,902.27 = 17,665.08/x
3. Step 3: Cross multiply
   31,812.18x = 43,902.27 × 17,665.08
4. Step 4: Simplify right side
   31,812.18x = 775,537,111.73
5. Step 5: Solve for x
   x = 775,537,111.73/31,812.18
6. Step 6: Final answer
   x = 24,378.62