Finding the Fourth Proportional to 2,017.50, 2,784.30 and 1,133.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.50 : 2,784.30 = 1,133.37 : x
2. Step 2: Convert to fraction form
   2,017.50/2,784.30 = 1,133.37/x
3. Step 3: Cross multiply
   2,017.50x = 2,784.30 × 1,133.37
4. Step 4: Simplify right side
   2,017.50x = 3,155,642.09
5. Step 5: Solve for x
   x = 3,155,642.09/2,017.50
6. Step 6: Final answer
   x = 1,564.13