Finding the Fourth Proportional to 2,128.06, 3,190.52 and 1,433.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.06 : 3,190.52 = 1,433.02 : x
2. Step 2: Convert to fraction form
   2,128.06/3,190.52 = 1,433.02/x
3. Step 3: Cross multiply
   2,128.06x = 3,190.52 × 1,433.02
4. Step 4: Simplify right side
   2,128.06x = 4,572,078.97
5. Step 5: Solve for x
   x = 4,572,078.97/2,128.06
6. Step 6: Final answer
   x = 2,148.47