Finding the Fourth Proportional to 2,638.71, 3,641.45 and 1,459.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638.71 : 3,641.45 = 1,459.89 : x
2. Step 2: Convert to fraction form
   2,638.71/3,641.45 = 1,459.89/x
3. Step 3: Cross multiply
   2,638.71x = 3,641.45 × 1,459.89
4. Step 4: Simplify right side
   2,638.71x = 5,316,109.14
5. Step 5: Solve for x
   x = 5,316,109.14/2,638.71
6. Step 6: Final answer
   x = 2,014.66