Finding the Fourth Proportional to 9,149.34, 12,617.94 and 7,133.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,149.34 : 12,617.94 = 7,133.25 : x
2. Step 2: Convert to fraction form
   9,149.34/12,617.94 = 7,133.25/x
3. Step 3: Cross multiply
   9,149.34x = 12,617.94 × 7,133.25
4. Step 4: Simplify right side
   9,149.34x = 90,006,920.51
5. Step 5: Solve for x
   x = 90,006,920.51/9,149.34
6. Step 6: Final answer
   x = 9,837.53