Finding the Fourth Proportional to 5,269.05, 7,271.64 and 3,499.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,269.05 : 7,271.64 = 3,499.47 : x
2. Step 2: Convert to fraction form
   5,269.05/7,271.64 = 3,499.47/x
3. Step 3: Cross multiply
   5,269.05x = 7,271.64 × 3,499.47
4. Step 4: Simplify right side
   5,269.05x = 25,446,886.03
5. Step 5: Solve for x
   x = 25,446,886.03/5,269.05
6. Step 6: Final answer
   x = 4,829.50