Finding the Fourth Proportional to 2,371.18, 3,556.78 and 1,330.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,371.18 : 3,556.78 = 1,330.70 : x
2. Step 2: Convert to fraction form
   2,371.18/3,556.78 = 1,330.70/x
3. Step 3: Cross multiply
   2,371.18x = 3,556.78 × 1,330.70
4. Step 4: Simplify right side
   2,371.18x = 4,733,007.15
5. Step 5: Solve for x
   x = 4,733,007.15/2,371.18
6. Step 6: Final answer
   x = 1,996.06