Finding the Fourth Proportional to 12,965.52, 19,325.16 and 12,227.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,965.52 : 19,325.16 = 12,227.52 : x
2. Step 2: Convert to fraction form
   12,965.52/19,325.16 = 12,227.52/x
3. Step 3: Cross multiply
   12,965.52x = 19,325.16 × 12,227.52
4. Step 4: Simplify right side
   12,965.52x = 236,298,780.40
5. Step 5: Solve for x
   x = 236,298,780.40/12,965.52
6. Step 6: Final answer
   x = 18,225.17