Finding the Fourth Proportional to 9,298.62, 12,817.35 and 9,114.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,298.62 : 12,817.35 = 9,114.30 : x
2. Step 2: Convert to fraction form
   9,298.62/12,817.35 = 9,114.30/x
3. Step 3: Cross multiply
   9,298.62x = 12,817.35 × 9,114.30
4. Step 4: Simplify right side
   9,298.62x = 116,821,173.11
5. Step 5: Solve for x
   x = 116,821,173.11/9,298.62
6. Step 6: Final answer
   x = 12,563.28