Finding the Fourth Proportional to 12,966.14, 17,893.63 and 7,930.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,966.14 : 17,893.63 = 7,930.27 : x
2. Step 2: Convert to fraction form
   12,966.14/17,893.63 = 7,930.27/x
3. Step 3: Cross multiply
   12,966.14x = 17,893.63 × 7,930.27
4. Step 4: Simplify right side
   12,966.14x = 141,901,349.46
5. Step 5: Solve for x
   x = 141,901,349.46/12,966.14
6. Step 6: Final answer
   x = 10,943.99