Finding the Fourth Proportional to 2,538.24, 3,806.88 and 999.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.24 : 3,806.88 = 999.04 : x
2. Step 2: Convert to fraction form
   2,538.24/3,806.88 = 999.04/x
3. Step 3: Cross multiply
   2,538.24x = 3,806.88 × 999.04
4. Step 4: Simplify right side
   2,538.24x = 3,803,225.40
5. Step 5: Solve for x
   x = 3,803,225.40/2,538.24
6. Step 6: Final answer
   x = 1,498.37