Finding the Fourth Proportional to 2,083.72, 2,875.68 and 1,152.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.72 : 2,875.68 = 1,152.28 : x
2. Step 2: Convert to fraction form
   2,083.72/2,875.68 = 1,152.28/x
3. Step 3: Cross multiply
   2,083.72x = 2,875.68 × 1,152.28
4. Step 4: Simplify right side
   2,083.72x = 3,313,588.55
5. Step 5: Solve for x
   x = 3,313,588.55/2,083.72
6. Step 6: Final answer
   x = 1,590.23