Finding the Fourth Proportional to 2,638.42, 3,640.99 and 1,459.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638.42 : 3,640.99 = 1,459.51 : x
2. Step 2: Convert to fraction form
   2,638.42/3,640.99 = 1,459.51/x
3. Step 3: Cross multiply
   2,638.42x = 3,640.99 × 1,459.51
4. Step 4: Simplify right side
   2,638.42x = 5,314,061.31
5. Step 5: Solve for x
   x = 5,314,061.31/2,638.42
6. Step 6: Final answer
   x = 2,014.11