Finding the Fourth Proportional to 10,603.08, 15,910.76 and 5,675.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,603.08 : 15,910.76 = 5,675.49 : x
2. Step 2: Convert to fraction form
   10,603.08/15,910.76 = 5,675.49/x
3. Step 3: Cross multiply
   10,603.08x = 15,910.76 × 5,675.49
4. Step 4: Simplify right side
   10,603.08x = 90,301,330.89
5. Step 5: Solve for x
   x = 90,301,330.89/10,603.08
6. Step 6: Final answer
   x = 8,516.52