Finding the Fourth Proportional to 5,781.33, 7,978.95 and 3,544.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,781.33 : 7,978.95 = 3,544.71 : x
2. Step 2: Convert to fraction form
   5,781.33/7,978.95 = 3,544.71/x
3. Step 3: Cross multiply
   5,781.33x = 7,978.95 × 3,544.71
4. Step 4: Simplify right side
   5,781.33x = 28,283,063.85
5. Step 5: Solve for x
   x = 28,283,063.85/5,781.33
6. Step 6: Final answer
   x = 4,892.14