Finding the Fourth Proportional to 12,311.01, 16,985.52 and 7,275.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,311.01 : 16,985.52 = 7,275.69 : x
2. Step 2: Convert to fraction form
   12,311.01/16,985.52 = 7,275.69/x
3. Step 3: Cross multiply
   12,311.01x = 16,985.52 × 7,275.69
4. Step 4: Simplify right side
   12,311.01x = 123,581,378.01
5. Step 5: Solve for x
   x = 123,581,378.01/12,311.01
6. Step 6: Final answer
   x = 10,038.28