Finding the Fourth Proportional to 9,137.92, 12,610.56 and 5,603.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,137.92 : 12,610.56 = 5,603.08 : x
2. Step 2: Convert to fraction form
   9,137.92/12,610.56 = 5,603.08/x
3. Step 3: Cross multiply
   9,137.92x = 12,610.56 × 5,603.08
4. Step 4: Simplify right side
   9,137.92x = 70,657,976.52
5. Step 5: Solve for x
   x = 70,657,976.52/9,137.92
6. Step 6: Final answer
   x = 7,732.39