Finding the Fourth Proportional to 2,499.68, 3,448.64 and 1,555.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.68 : 3,448.64 = 1,555.04 : x
2. Step 2: Convert to fraction form
   2,499.68/3,448.64 = 1,555.04/x
3. Step 3: Cross multiply
   2,499.68x = 3,448.64 × 1,555.04
4. Step 4: Simplify right side
   2,499.68x = 5,362,773.15
5. Step 5: Solve for x
   x = 5,362,773.15/2,499.68
6. Step 6: Final answer
   x = 2,145.38