Finding the Fourth Proportional to 2,107.52, 3,162.10 and 1,133.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107.52 : 3,162.10 = 1,133.12 : x
2. Step 2: Convert to fraction form
   2,107.52/3,162.10 = 1,133.12/x
3. Step 3: Cross multiply
   2,107.52x = 3,162.10 × 1,133.12
4. Step 4: Simplify right side
   2,107.52x = 3,583,038.75
5. Step 5: Solve for x
   x = 3,583,038.75/2,107.52
6. Step 6: Final answer
   x = 1,700.12