Finding the Fourth Proportional to 2,477.42, 3,715.20 and 833.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.42 : 3,715.20 = 833.52 : x
2. Step 2: Convert to fraction form
   2,477.42/3,715.20 = 833.52/x
3. Step 3: Cross multiply
   2,477.42x = 3,715.20 × 833.52
4. Step 4: Simplify right side
   2,477.42x = 3,096,707.44
5. Step 5: Solve for x
   x = 3,096,707.44/2,477.42
6. Step 6: Final answer
   x = 1,249.97