Finding the Fourth Proportional to 1,928.70, 2,665.98 and 1,775.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928.70 : 2,665.98 = 1,775.61 : x
2. Step 2: Convert to fraction form
   1,928.70/2,665.98 = 1,775.61/x
3. Step 3: Cross multiply
   1,928.70x = 2,665.98 × 1,775.61
4. Step 4: Simplify right side
   1,928.70x = 4,733,740.75
5. Step 5: Solve for x
   x = 4,733,740.75/1,928.70
6. Step 6: Final answer
   x = 2,454.37