Finding the Fourth Proportional to 2,286.63, 3,153.97 and 1,402.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286.63 : 3,153.97 = 1,402.89 : x
2. Step 2: Convert to fraction form
   2,286.63/3,153.97 = 1,402.89/x
3. Step 3: Cross multiply
   2,286.63x = 3,153.97 × 1,402.89
4. Step 4: Simplify right side
   2,286.63x = 4,424,662.90
5. Step 5: Solve for x
   x = 4,424,662.90/2,286.63
6. Step 6: Final answer
   x = 1,935.01