Finding the Fourth Proportional to 2,245.95, 3,099.15 and 1,251.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245.95 : 3,099.15 = 1,251.27 : x
2. Step 2: Convert to fraction form
   2,245.95/3,099.15 = 1,251.27/x
3. Step 3: Cross multiply
   2,245.95x = 3,099.15 × 1,251.27
4. Step 4: Simplify right side
   2,245.95x = 3,877,873.42
5. Step 5: Solve for x
   x = 3,877,873.42/2,245.95
6. Step 6: Final answer
   x = 1,726.61