Finding the Fourth Proportional to 5,891.34, 8,133.78 and 4,098.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,891.34 : 8,133.78 = 4,098.15 : x
2. Step 2: Convert to fraction form
   5,891.34/8,133.78 = 4,098.15/x
3. Step 3: Cross multiply
   5,891.34x = 8,133.78 × 4,098.15
4. Step 4: Simplify right side
   5,891.34x = 33,333,450.51
5. Step 5: Solve for x
   x = 33,333,450.51/5,891.34
6. Step 6: Final answer
   x = 5,658.04