Finding the Fourth Proportional to 2,138.46, 3,200.38 and 1,792.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138.46 : 3,200.38 = 1,792.18 : x
2. Step 2: Convert to fraction form
   2,138.46/3,200.38 = 1,792.18/x
3. Step 3: Cross multiply
   2,138.46x = 3,200.38 × 1,792.18
4. Step 4: Simplify right side
   2,138.46x = 5,735,657.03
5. Step 5: Solve for x
   x = 5,735,657.03/2,138.46
6. Step 6: Final answer
   x = 2,682.14