Finding the Fourth Proportional to 1,764.56, 2,645.56 and 886.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,764.56 : 2,645.56 = 886.42 : x
2. Step 2: Convert to fraction form
   1,764.56/2,645.56 = 886.42/x
3. Step 3: Cross multiply
   1,764.56x = 2,645.56 × 886.42
4. Step 4: Simplify right side
   1,764.56x = 2,345,074.27
5. Step 5: Solve for x
   x = 2,345,074.27/1,764.56
6. Step 6: Final answer
   x = 1,328.99