Finding the Fourth Proportional to 7,603.30, 10,495.38 and 5,629.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,603.30 : 10,495.38 = 5,629.78 : x
2. Step 2: Convert to fraction form
   7,603.30/10,495.38 = 5,629.78/x
3. Step 3: Cross multiply
   7,603.30x = 10,495.38 × 5,629.78
4. Step 4: Simplify right side
   7,603.30x = 59,086,680.42
5. Step 5: Solve for x
   x = 59,086,680.42/7,603.30
6. Step 6: Final answer
   x = 7,771.19