Finding the Fourth Proportional to 5,530.85, 8,300.29 and 4,147.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,530.85 : 8,300.29 = 4,147.91 : x
2. Step 2: Convert to fraction form
   5,530.85/8,300.29 = 4,147.91/x
3. Step 3: Cross multiply
   5,530.85x = 8,300.29 × 4,147.91
4. Step 4: Simplify right side
   5,530.85x = 34,428,855.89
5. Step 5: Solve for x
   x = 34,428,855.89/5,530.85
6. Step 6: Final answer
   x = 6,224.88