Finding the Fourth Proportional to 2,469.42, 3,703.20 and 1,007.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.42 : 3,703.20 = 1,007.79 : x
2. Step 2: Convert to fraction form
   2,469.42/3,703.20 = 1,007.79/x
3. Step 3: Cross multiply
   2,469.42x = 3,703.20 × 1,007.79
4. Step 4: Simplify right side
   2,469.42x = 3,732,047.93
5. Step 5: Solve for x
   x = 3,732,047.93/2,469.42
6. Step 6: Final answer
   x = 1,511.31