Finding the Fourth Proportional to 31,212.71, 43,062.98 and 17,774.43

Step by Step Solution

1. Step 1: Write the proportion equation
   31,212.71 : 43,062.98 = 17,774.43 : x
2. Step 2: Convert to fraction form
   31,212.71/43,062.98 = 17,774.43/x
3. Step 3: Cross multiply
   31,212.71x = 43,062.98 × 17,774.43
4. Step 4: Simplify right side
   31,212.71x = 765,419,968.04
5. Step 5: Solve for x
   x = 765,419,968.04/31,212.71
6. Step 6: Final answer
   x = 24,522.71