Finding the Fourth Proportional to 9,132.84, 12,603.31 and 5,154.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,132.84 : 12,603.31 = 5,154.80 : x
2. Step 2: Convert to fraction form
   9,132.84/12,603.31 = 5,154.80/x
3. Step 3: Cross multiply
   9,132.84x = 12,603.31 × 5,154.80
4. Step 4: Simplify right side
   9,132.84x = 64,967,542.39
5. Step 5: Solve for x
   x = 64,967,542.39/9,132.84
6. Step 6: Final answer
   x = 7,113.62