Finding the Fourth Proportional to 2,386.28, 3,577.23 and 926.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,386.28 : 3,577.23 = 926.52 : x
2. Step 2: Convert to fraction form
   2,386.28/3,577.23 = 926.52/x
3. Step 3: Cross multiply
   2,386.28x = 3,577.23 × 926.52
4. Step 4: Simplify right side
   2,386.28x = 3,314,375.14
5. Step 5: Solve for x
   x = 3,314,375.14/2,386.28
6. Step 6: Final answer
   x = 1,388.93