Finding the Fourth Proportional to 2,132.28, 2,942.52 and 1,200.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.28 : 2,942.52 = 1,200.78 : x
2. Step 2: Convert to fraction form
   2,132.28/2,942.52 = 1,200.78/x
3. Step 3: Cross multiply
   2,132.28x = 2,942.52 × 1,200.78
4. Step 4: Simplify right side
   2,132.28x = 3,533,319.17
5. Step 5: Solve for x
   x = 3,533,319.17/2,132.28
6. Step 6: Final answer
   x = 1,657.06