Finding the Fourth Proportional to 9,132.02, 12,603.50 and 5,153.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,132.02 : 12,603.50 = 5,153.50 : x
2. Step 2: Convert to fraction form
   9,132.02/12,603.50 = 5,153.50/x
3. Step 3: Cross multiply
   9,132.02x = 12,603.50 × 5,153.50
4. Step 4: Simplify right side
   9,132.02x = 64,952,137.25
5. Step 5: Solve for x
   x = 64,952,137.25/9,132.02
6. Step 6: Final answer
   x = 7,112.57