Finding the Fourth Proportional to 2,638.80, 3,641.34 and 1,459.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638.80 : 3,641.34 = 1,459.92 : x
2. Step 2: Convert to fraction form
   2,638.80/3,641.34 = 1,459.92/x
3. Step 3: Cross multiply
   2,638.80x = 3,641.34 × 1,459.92
4. Step 4: Simplify right side
   2,638.80x = 5,316,065.09
5. Step 5: Solve for x
   x = 5,316,065.09/2,638.80
6. Step 6: Final answer
   x = 2,014.58