Finding the Fourth Proportional to 2,638.40, 3,641.06 and 1,459.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638.40 : 3,641.06 = 1,459.54 : x
2. Step 2: Convert to fraction form
   2,638.40/3,641.06 = 1,459.54/x
3. Step 3: Cross multiply
   2,638.40x = 3,641.06 × 1,459.54
4. Step 4: Simplify right side
   2,638.40x = 5,314,272.71
5. Step 5: Solve for x
   x = 5,314,272.71/2,638.40
6. Step 6: Final answer
   x = 2,014.20