Finding the Fourth Proportional to 7,553.78, 10,468.38 and 7,448.07

Step by Step Solution

1. Step 1: Write the proportion equation
   7,553.78 : 10,468.38 = 7,448.07 : x
2. Step 2: Convert to fraction form
   7,553.78/10,468.38 = 7,448.07/x
3. Step 3: Cross multiply
   7,553.78x = 10,468.38 × 7,448.07
4. Step 4: Simplify right side
   7,553.78x = 77,969,227.03
5. Step 5: Solve for x
   x = 77,969,227.03/7,553.78
6. Step 6: Final answer
   x = 10,321.89