Finding the Fourth Proportional to 2,391.47, 3,299.30 and 1,763.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.47 : 3,299.30 = 1,763.49 : x
2. Step 2: Convert to fraction form
   2,391.47/3,299.30 = 1,763.49/x
3. Step 3: Cross multiply
   2,391.47x = 3,299.30 × 1,763.49
4. Step 4: Simplify right side
   2,391.47x = 5,818,282.56
5. Step 5: Solve for x
   x = 5,818,282.56/2,391.47
6. Step 6: Final answer
   x = 2,432.93