Finding the Fourth Proportional to 2,775.47, 4,162.29 and 926.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,775.47 : 4,162.29 = 926.03 : x
2. Step 2: Convert to fraction form
   2,775.47/4,162.29 = 926.03/x
3. Step 3: Cross multiply
   2,775.47x = 4,162.29 × 926.03
4. Step 4: Simplify right side
   2,775.47x = 3,854,412.34
5. Step 5: Solve for x
   x = 3,854,412.34/2,775.47
6. Step 6: Final answer
   x = 1,388.74