Finding the Fourth Proportional to 2,634.72, 3,635.86 and 1,455.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,634.72 : 3,635.86 = 1,455.81 : x
2. Step 2: Convert to fraction form
   2,634.72/3,635.86 = 1,455.81/x
3. Step 3: Cross multiply
   2,634.72x = 3,635.86 × 1,455.81
4. Step 4: Simplify right side
   2,634.72x = 5,293,121.35
5. Step 5: Solve for x
   x = 5,293,121.35/2,634.72
6. Step 6: Final answer
   x = 2,008.99