Finding the Fourth Proportional to 2,459.16, 3,684.42 and 1,431

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.16 : 3,684.42 = 1,431 : x
2. Step 2: Convert to fraction form
   2,459.16/3,684.42 = 1,431/x
3. Step 3: Cross multiply
   2,459.16x = 3,684.42 × 1,431
4. Step 4: Simplify right side
   2,459.16x = 5,272,405.02
5. Step 5: Solve for x
   x = 5,272,405.02/2,459.16
6. Step 6: Final answer
   x = 2,143.99