Finding the Fourth Proportional to 9,150.50, 12,634.21 and 7,233.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.50 : 12,634.21 = 7,233.46 : x
2. Step 2: Convert to fraction form
   9,150.50/12,634.21 = 7,233.46/x
3. Step 3: Cross multiply
   9,150.50x = 12,634.21 × 7,233.46
4. Step 4: Simplify right side
   9,150.50x = 91,389,030.12
5. Step 5: Solve for x
   x = 91,389,030.12/9,150.50
6. Step 6: Final answer
   x = 9,987.32