Finding the Fourth Proportional to 31,718.30, 43,768.06 and 17,568.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,718.30 : 43,768.06 = 17,568.50 : x
2. Step 2: Convert to fraction form
   31,718.30/43,768.06 = 17,568.50/x
3. Step 3: Cross multiply
   31,718.30x = 43,768.06 × 17,568.50
4. Step 4: Simplify right side
   31,718.30x = 768,938,899.35
5. Step 5: Solve for x
   x = 768,938,899.35/31,718.30
6. Step 6: Final answer
   x = 24,242.76