Finding the Fourth Proportional to 7,377.83, 11,057.78 and 3,423.71

Step by Step Solution

1. Step 1: Write the proportion equation
   7,377.83 : 11,057.78 = 3,423.71 : x
2. Step 2: Convert to fraction form
   7,377.83/11,057.78 = 3,423.71/x
3. Step 3: Cross multiply
   7,377.83x = 11,057.78 × 3,423.71
4. Step 4: Simplify right side
   7,377.83x = 37,858,668.17
5. Step 5: Solve for x
   x = 37,858,668.17/7,377.83
6. Step 6: Final answer
   x = 5,131.41