Finding the Fourth Proportional to 2,103.20, 2,900.24 and 2,055.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.20 : 2,900.24 = 2,055.52 : x
2. Step 2: Convert to fraction form
   2,103.20/2,900.24 = 2,055.52/x
3. Step 3: Cross multiply
   2,103.20x = 2,900.24 × 2,055.52
4. Step 4: Simplify right side
   2,103.20x = 5,961,501.32
5. Step 5: Solve for x
   x = 5,961,501.32/2,103.20
6. Step 6: Final answer
   x = 2,834.49