Finding the Fourth Proportional to 5,891.74, 8,131.38 and 3,801.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,891.74 : 8,131.38 = 3,801.94 : x
2. Step 2: Convert to fraction form
   5,891.74/8,131.38 = 3,801.94/x
3. Step 3: Cross multiply
   5,891.74x = 8,131.38 × 3,801.94
4. Step 4: Simplify right side
   5,891.74x = 30,915,018.88
5. Step 5: Solve for x
   x = 30,915,018.88/5,891.74
6. Step 6: Final answer
   x = 5,247.18