Finding the Fourth Proportional to 5,465.27, 8,204.42 and 5,242.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,465.27 : 8,204.42 = 5,242.47 : x
2. Step 2: Convert to fraction form
   5,465.27/8,204.42 = 5,242.47/x
3. Step 3: Cross multiply
   5,465.27x = 8,204.42 × 5,242.47
4. Step 4: Simplify right side
   5,465.27x = 43,011,425.72
5. Step 5: Solve for x
   x = 43,011,425.72/5,465.27
6. Step 6: Final answer
   x = 7,869.95