Finding the Fourth Proportional to 9,320.72, 12,858.48 and 7,337.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,320.72 : 12,858.48 = 7,337.25 : x
2. Step 2: Convert to fraction form
   9,320.72/12,858.48 = 7,337.25/x
3. Step 3: Cross multiply
   9,320.72x = 12,858.48 × 7,337.25
4. Step 4: Simplify right side
   9,320.72x = 94,345,882.38
5. Step 5: Solve for x
   x = 94,345,882.38/9,320.72
6. Step 6: Final answer
   x = 10,122.17