Finding the Fourth Proportional to 2,245.60, 3,367.72 and 946.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245.60 : 3,367.72 = 946.76 : x
2. Step 2: Convert to fraction form
   2,245.60/3,367.72 = 946.76/x
3. Step 3: Cross multiply
   2,245.60x = 3,367.72 × 946.76
4. Step 4: Simplify right side
   2,245.60x = 3,188,422.59
5. Step 5: Solve for x
   x = 3,188,422.59/2,245.60
6. Step 6: Final answer
   x = 1,419.85