Finding the Fourth Proportional to 12,651.28, 17,436.96 and 10,845.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,651.28 : 17,436.96 = 10,845.52 : x
2. Step 2: Convert to fraction form
   12,651.28/17,436.96 = 10,845.52/x
3. Step 3: Cross multiply
   12,651.28x = 17,436.96 × 10,845.52
4. Step 4: Simplify right side
   12,651.28x = 189,112,898.42
5. Step 5: Solve for x
   x = 189,112,898.42/12,651.28
6. Step 6: Final answer
   x = 14,948.12