Finding the Fourth Proportional to 2,422.15, 3,626.69 and 1,539.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.15 : 3,626.69 = 1,539.88 : x
2. Step 2: Convert to fraction form
   2,422.15/3,626.69 = 1,539.88/x
3. Step 3: Cross multiply
   2,422.15x = 3,626.69 × 1,539.88
4. Step 4: Simplify right side
   2,422.15x = 5,584,649.26
5. Step 5: Solve for x
   x = 5,584,649.26/2,422.15
6. Step 6: Final answer
   x = 2,305.66