Finding the Fourth Proportional to 8,124.59, 11,208.59 and 5,472.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,124.59 : 11,208.59 = 5,472.86 : x
2. Step 2: Convert to fraction form
   8,124.59/11,208.59 = 5,472.86/x
3. Step 3: Cross multiply
   8,124.59x = 11,208.59 × 5,472.86
4. Step 4: Simplify right side
   8,124.59x = 61,342,960.46
5. Step 5: Solve for x
   x = 61,342,960.46/8,124.59
6. Step 6: Final answer
   x = 7,550.29