Finding the Fourth Proportional to 2,499.03, 3,448.62 and 1,380.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.03 : 3,448.62 = 1,380.01 : x
2. Step 2: Convert to fraction form
   2,499.03/3,448.62 = 1,380.01/x
3. Step 3: Cross multiply
   2,499.03x = 3,448.62 × 1,380.01
4. Step 4: Simplify right side
   2,499.03x = 4,759,130.09
5. Step 5: Solve for x
   x = 4,759,130.09/2,499.03
6. Step 6: Final answer
   x = 1,904.39