Finding the Fourth Proportional to 5,447.10, 7,609.50 and 5,447.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,447.10 : 7,609.50 = 5,447.10 : x
2. Step 2: Convert to fraction form
   5,447.10/7,609.50 = 5,447.10/x
3. Step 3: Cross multiply
   5,447.10x = 7,609.50 × 5,447.10
4. Step 4: Simplify right side
   5,447.10x = 41,449,707.45
5. Step 5: Solve for x
   x = 41,449,707.45/5,447.10
6. Step 6: Final answer
   x = 7,609.50