Finding the Fourth Proportional to 5,383.86, 7,419.13 and 4,126.33

Step by Step Solution

1. Step 1: Write the proportion equation
   5,383.86 : 7,419.13 = 4,126.33 : x
2. Step 2: Convert to fraction form
   5,383.86/7,419.13 = 4,126.33/x
3. Step 3: Cross multiply
   5,383.86x = 7,419.13 × 4,126.33
4. Step 4: Simplify right side
   5,383.86x = 30,613,778.69
5. Step 5: Solve for x
   x = 30,613,778.69/5,383.86
6. Step 6: Final answer
   x = 5,686.21