Finding the Fourth Proportional to 3,189.57, 4,784.94 and 1,110.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,189.57 : 4,784.94 = 1,110.12 : x
2. Step 2: Convert to fraction form
   3,189.57/4,784.94 = 1,110.12/x
3. Step 3: Cross multiply
   3,189.57x = 4,784.94 × 1,110.12
4. Step 4: Simplify right side
   3,189.57x = 5,311,857.59
5. Step 5: Solve for x
   x = 5,311,857.59/3,189.57
6. Step 6: Final answer
   x = 1,665.38