Finding the Fourth Proportional to 1,598.14, 2,392.56 and 1,431.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,598.14 : 2,392.56 = 1,431.40 : x
2. Step 2: Convert to fraction form
   1,598.14/2,392.56 = 1,431.40/x
3. Step 3: Cross multiply
   1,598.14x = 2,392.56 × 1,431.40
4. Step 4: Simplify right side
   1,598.14x = 3,424,710.38
5. Step 5: Solve for x
   x = 3,424,710.38/1,598.14
6. Step 6: Final answer
   x = 2,142.94