Finding the Fourth Proportional to 2,083.20, 2,875.30 and 1,375.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.20 : 2,875.30 = 1,375.16 : x
2. Step 2: Convert to fraction form
   2,083.20/2,875.30 = 1,375.16/x
3. Step 3: Cross multiply
   2,083.20x = 2,875.30 × 1,375.16
4. Step 4: Simplify right side
   2,083.20x = 3,953,997.55
5. Step 5: Solve for x
   x = 3,953,997.55/2,083.20
6. Step 6: Final answer
   x = 1,898.04