Finding the Fourth Proportional to 2,087.33, 3,132.57 and 1,427.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.33 : 3,132.57 = 1,427.63 : x
2. Step 2: Convert to fraction form
   2,087.33/3,132.57 = 1,427.63/x
3. Step 3: Cross multiply
   2,087.33x = 3,132.57 × 1,427.63
4. Step 4: Simplify right side
   2,087.33x = 4,472,128.11
5. Step 5: Solve for x
   x = 4,472,128.11/2,087.33
6. Step 6: Final answer
   x = 2,142.52