Finding the Fourth Proportional to 2,775.53, 4,162.38 and 926.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,775.53 : 4,162.38 = 926.10 : x
2. Step 2: Convert to fraction form
   2,775.53/4,162.38 = 926.10/x
3. Step 3: Cross multiply
   2,775.53x = 4,162.38 × 926.10
4. Step 4: Simplify right side
   2,775.53x = 3,854,780.12
5. Step 5: Solve for x
   x = 3,854,780.12/2,775.53
6. Step 6: Final answer
   x = 1,388.84