Finding the Fourth Proportional to 5,337.39, 7,356.37 and 3,918.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,337.39 : 7,356.37 = 3,918.12 : x
2. Step 2: Convert to fraction form
   5,337.39/7,356.37 = 3,918.12/x
3. Step 3: Cross multiply
   5,337.39x = 7,356.37 × 3,918.12
4. Step 4: Simplify right side
   5,337.39x = 28,823,151.77
5. Step 5: Solve for x
   x = 28,823,151.77/5,337.39
6. Step 6: Final answer
   x = 5,400.23