Finding the Fourth Proportional to 2,329.03, 3,493 and 1,288.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,329.03 : 3,493 = 1,288.72 : x
2. Step 2: Convert to fraction form
   2,329.03/3,493 = 1,288.72/x
3. Step 3: Cross multiply
   2,329.03x = 3,493 × 1,288.72
4. Step 4: Simplify right side
   2,329.03x = 4,501,498.96
5. Step 5: Solve for x
   x = 4,501,498.96/2,329.03
6. Step 6: Final answer
   x = 1,932.78