Finding the Fourth Proportional to 9,225.86, 12,732.47 and 7,542.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,225.86 : 12,732.47 = 7,542.56 : x
2. Step 2: Convert to fraction form
   9,225.86/12,732.47 = 7,542.56/x
3. Step 3: Cross multiply
   9,225.86x = 12,732.47 × 7,542.56
4. Step 4: Simplify right side
   9,225.86x = 96,035,317.55
5. Step 5: Solve for x
   x = 96,035,317.55/9,225.86
6. Step 6: Final answer
   x = 10,409.37