Finding the Fourth Proportional to 3,758.23, 5,184.59 and 2,499.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,758.23 : 5,184.59 = 2,499.90 : x
2. Step 2: Convert to fraction form
   3,758.23/5,184.59 = 2,499.90/x
3. Step 3: Cross multiply
   3,758.23x = 5,184.59 × 2,499.90
4. Step 4: Simplify right side
   3,758.23x = 12,960,956.54
5. Step 5: Solve for x
   x = 12,960,956.54/3,758.23
6. Step 6: Final answer
   x = 3,448.69