Finding the Fourth Proportional to 2,638.64, 3,641.34 and 1,459.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638.64 : 3,641.34 = 1,459.79 : x
2. Step 2: Convert to fraction form
   2,638.64/3,641.34 = 1,459.79/x
3. Step 3: Cross multiply
   2,638.64x = 3,641.34 × 1,459.79
4. Step 4: Simplify right side
   2,638.64x = 5,315,573.51
5. Step 5: Solve for x
   x = 5,315,573.51/2,638.64
6. Step 6: Final answer
   x = 2,014.52