Finding the Fourth Proportional to 2,017.32, 2,783.86 and 1,133.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.32 : 2,783.86 = 1,133.20 : x
2. Step 2: Convert to fraction form
   2,017.32/2,783.86 = 1,133.20/x
3. Step 3: Cross multiply
   2,017.32x = 2,783.86 × 1,133.20
4. Step 4: Simplify right side
   2,017.32x = 3,154,670.15
5. Step 5: Solve for x
   x = 3,154,670.15/2,017.32
6. Step 6: Final answer
   x = 1,563.79