Finding the Fourth Proportional to 2,245.82, 3,099.20 and 1,251.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245.82 : 3,099.20 = 1,251.10 : x
2. Step 2: Convert to fraction form
   2,245.82/3,099.20 = 1,251.10/x
3. Step 3: Cross multiply
   2,245.82x = 3,099.20 × 1,251.10
4. Step 4: Simplify right side
   2,245.82x = 3,877,409.12
5. Step 5: Solve for x
   x = 3,877,409.12/2,245.82
6. Step 6: Final answer
   x = 1,726.50