Finding the Fourth Proportional to 2,398.76, 3,310.06 and 1,769.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.76 : 3,310.06 = 1,769.63 : x
2. Step 2: Convert to fraction form
   2,398.76/3,310.06 = 1,769.63/x
3. Step 3: Cross multiply
   2,398.76x = 3,310.06 × 1,769.63
4. Step 4: Simplify right side
   2,398.76x = 5,857,581.48
5. Step 5: Solve for x
   x = 5,857,581.48/2,398.76
6. Step 6: Final answer
   x = 2,441.92