Finding the Fourth Proportional to 31,769.28, 43,842.72 and 17,622.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,769.28 : 43,842.72 = 17,622.72 : x
2. Step 2: Convert to fraction form
   31,769.28/43,842.72 = 17,622.72/x
3. Step 3: Cross multiply
   31,769.28x = 43,842.72 × 17,622.72
4. Step 4: Simplify right side
   31,769.28x = 772,627,978.60
5. Step 5: Solve for x
   x = 772,627,978.60/31,769.28
6. Step 6: Final answer
   x = 24,319.97