Finding the Fourth Proportional to 9,500.10, 14,264.55 and 7,311.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,500.10 : 14,264.55 = 7,311.30 : x
2. Step 2: Convert to fraction form
   9,500.10/14,264.55 = 7,311.30/x
3. Step 3: Cross multiply
   9,500.10x = 14,264.55 × 7,311.30
4. Step 4: Simplify right side
   9,500.10x = 104,292,404.42
5. Step 5: Solve for x
   x = 104,292,404.42/9,500.10
6. Step 6: Final answer
   x = 10,978.03