Finding the Fourth Proportional to 31,768.18, 43,841.52 and 17,621.02

Step by Step Solution

1. Step 1: Write the proportion equation
   31,768.18 : 43,841.52 = 17,621.02 : x
2. Step 2: Convert to fraction form
   31,768.18/43,841.52 = 17,621.02/x
3. Step 3: Cross multiply
   31,768.18x = 43,841.52 × 17,621.02
4. Step 4: Simplify right side
   31,768.18x = 772,532,355.55
5. Step 5: Solve for x
   x = 772,532,355.55/31,768.18
6. Step 6: Final answer
   x = 24,317.81