Finding the Fourth Proportional to 2,499.93, 3,747.33 and 939.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.93 : 3,747.33 = 939.65 : x
2. Step 2: Convert to fraction form
   2,499.93/3,747.33 = 939.65/x
3. Step 3: Cross multiply
   2,499.93x = 3,747.33 × 939.65
4. Step 4: Simplify right side
   2,499.93x = 3,521,159.90
5. Step 5: Solve for x
   x = 3,521,159.90/2,499.93
6. Step 6: Final answer
   x = 1,408.50