Finding the Fourth Proportional to 2,638.89, 3,641.63 and 1,459.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638.89 : 3,641.63 = 1,459.96 : x
2. Step 2: Convert to fraction form
   2,638.89/3,641.63 = 1,459.96/x
3. Step 3: Cross multiply
   2,638.89x = 3,641.63 × 1,459.96
4. Step 4: Simplify right side
   2,638.89x = 5,316,635.94
5. Step 5: Solve for x
   x = 5,316,635.94/2,638.89
6. Step 6: Final answer
   x = 2,014.72