Finding the Fourth Proportional to 2,499.06, 3,448.67 and 1,380.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.06 : 3,448.67 = 1,380.04 : x
2. Step 2: Convert to fraction form
   2,499.06/3,448.67 = 1,380.04/x
3. Step 3: Cross multiply
   2,499.06x = 3,448.67 × 1,380.04
4. Step 4: Simplify right side
   2,499.06x = 4,759,302.55
5. Step 5: Solve for x
   x = 4,759,302.55/2,499.06
6. Step 6: Final answer
   x = 1,904.44