Finding the Fourth Proportional to 5,991.21, 8,978.61 and 3,801.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,991.21 : 8,978.61 = 3,801.48 : x
2. Step 2: Convert to fraction form
   5,991.21/8,978.61 = 3,801.48/x
3. Step 3: Cross multiply
   5,991.21x = 8,978.61 × 3,801.48
4. Step 4: Simplify right side
   5,991.21x = 34,131,961.45
5. Step 5: Solve for x
   x = 34,131,961.45/5,991.21
6. Step 6: Final answer
   x = 5,697.01