Finding the Fourth Proportional to 2,499.55, 3,747.75 and 1,328.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.55 : 3,747.75 = 1,328.83 : x
2. Step 2: Convert to fraction form
   2,499.55/3,747.75 = 1,328.83/x
3. Step 3: Cross multiply
   2,499.55x = 3,747.75 × 1,328.83
4. Step 4: Simplify right side
   2,499.55x = 4,980,122.63
5. Step 5: Solve for x
   x = 4,980,122.63/2,499.55
6. Step 6: Final answer
   x = 1,992.41