Finding the Fourth Proportional to 9,151.52, 12,628.31 and 5,323.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,151.52 : 12,628.31 = 5,323.86 : x
2. Step 2: Convert to fraction form
   9,151.52/12,628.31 = 5,323.86/x
3. Step 3: Cross multiply
   9,151.52x = 12,628.31 × 5,323.86
4. Step 4: Simplify right side
   9,151.52x = 67,231,327.86
5. Step 5: Solve for x
   x = 67,231,327.86/9,151.52
6. Step 6: Final answer
   x = 7,346.47