Finding the Fourth Proportional to 2,320.56, 3,204.90 and 1,575.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.56 : 3,204.90 = 1,575.77 : x
2. Step 2: Convert to fraction form
   2,320.56/3,204.90 = 1,575.77/x
3. Step 3: Cross multiply
   2,320.56x = 3,204.90 × 1,575.77
4. Step 4: Simplify right side
   2,320.56x = 5,050,169.25
5. Step 5: Solve for x
   x = 5,050,169.25/2,320.56
6. Step 6: Final answer
   x = 2,176.27