Finding the Fourth Proportional to 2,294.42, 3,166.34 and 1,409.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,294.42 : 3,166.34 = 1,409.72 : x
2. Step 2: Convert to fraction form
   2,294.42/3,166.34 = 1,409.72/x
3. Step 3: Cross multiply
   2,294.42x = 3,166.34 × 1,409.72
4. Step 4: Simplify right side
   2,294.42x = 4,463,652.82
5. Step 5: Solve for x
   x = 4,463,652.82/2,294.42
6. Step 6: Final answer
   x = 1,945.44