Finding the Fourth Proportional to 2,477.42, 3,712.17 and 1,307.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.42 : 3,712.17 = 1,307.37 : x
2. Step 2: Convert to fraction form
   2,477.42/3,712.17 = 1,307.37/x
3. Step 3: Cross multiply
   2,477.42x = 3,712.17 × 1,307.37
4. Step 4: Simplify right side
   2,477.42x = 4,853,179.69
5. Step 5: Solve for x
   x = 4,853,179.69/2,477.42
6. Step 6: Final answer
   x = 1,958.97