Finding the Fourth Proportional to 28,822.73, 39,769.31 and 17,498.18

Step by Step Solution

1. Step 1: Write the proportion equation
   28,822.73 : 39,769.31 = 17,498.18 : x
2. Step 2: Convert to fraction form
   28,822.73/39,769.31 = 17,498.18/x
3. Step 3: Cross multiply
   28,822.73x = 39,769.31 × 17,498.18
4. Step 4: Simplify right side
   28,822.73x = 695,890,688.02
5. Step 5: Solve for x
   x = 695,890,688.02/28,822.73
6. Step 6: Final answer
   x = 24,143.82