Finding the Fourth Proportional to 2,499.23, 3,448.97 and 1,380.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.23 : 3,448.97 = 1,380.17 : x
2. Step 2: Convert to fraction form
   2,499.23/3,448.97 = 1,380.17/x
3. Step 3: Cross multiply
   2,499.23x = 3,448.97 × 1,380.17
4. Step 4: Simplify right side
   2,499.23x = 4,760,158.89
5. Step 5: Solve for x
   x = 4,760,158.89/2,499.23
6. Step 6: Final answer
   x = 1,904.65