Finding the Fourth Proportional to 9,148.34, 12,616.56 and 7,132.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,148.34 : 12,616.56 = 7,132.25 : x
2. Step 2: Convert to fraction form
   9,148.34/12,616.56 = 7,132.25/x
3. Step 3: Cross multiply
   9,148.34x = 12,616.56 × 7,132.25
4. Step 4: Simplify right side
   9,148.34x = 89,984,491.60
5. Step 5: Solve for x
   x = 89,984,491.60/9,148.34
6. Step 6: Final answer
   x = 9,836.15