Finding the Fourth Proportional to 2,245.33, 3,368.17 and 764.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245.33 : 3,368.17 = 764.10 : x
2. Step 2: Convert to fraction form
   2,245.33/3,368.17 = 764.10/x
3. Step 3: Cross multiply
   2,245.33x = 3,368.17 × 764.10
4. Step 4: Simplify right side
   2,245.33x = 2,573,604.37
5. Step 5: Solve for x
   x = 2,573,604.37/2,245.33
6. Step 6: Final answer
   x = 1,146.20