Finding the Fourth Proportional to 2,559.42, 3,532.17 and 1,928.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.42 : 3,532.17 = 1,928.83 : x
2. Step 2: Convert to fraction form
   2,559.42/3,532.17 = 1,928.83/x
3. Step 3: Cross multiply
   2,559.42x = 3,532.17 × 1,928.83
4. Step 4: Simplify right side
   2,559.42x = 6,812,955.46
5. Step 5: Solve for x
   x = 6,812,955.46/2,559.42
6. Step 6: Final answer
   x = 2,661.91