Finding the Fourth Proportional to 12,966.39, 17,893.98 and 7,930.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,966.39 : 17,893.98 = 7,930.52 : x
2. Step 2: Convert to fraction form
   12,966.39/17,893.98 = 7,930.52/x
3. Step 3: Cross multiply
   12,966.39x = 17,893.98 × 7,930.52
4. Step 4: Simplify right side
   12,966.39x = 141,908,591.18
5. Step 5: Solve for x
   x = 141,908,591.18/12,966.39
6. Step 6: Final answer
   x = 10,944.34