Finding the Fourth Proportional to 5,870.56, 8,805.78 and 1,766.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.56 : 8,805.78 = 1,766.56 : x
2. Step 2: Convert to fraction form
   5,870.56/8,805.78 = 1,766.56/x
3. Step 3: Cross multiply
   5,870.56x = 8,805.78 × 1,766.56
4. Step 4: Simplify right side
   5,870.56x = 15,555,938.72
5. Step 5: Solve for x
   x = 15,555,938.72/5,870.56
6. Step 6: Final answer
   x = 2,649.82