Finding the Fourth Proportional to 1,919.02, 2,647.92 and 1,133.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919.02 : 2,647.92 = 1,133.32 : x
2. Step 2: Convert to fraction form
   1,919.02/2,647.92 = 1,133.32/x
3. Step 3: Cross multiply
   1,919.02x = 2,647.92 × 1,133.32
4. Step 4: Simplify right side
   1,919.02x = 3,000,940.69
5. Step 5: Solve for x
   x = 3,000,940.69/1,919.02
6. Step 6: Final answer
   x = 1,563.79