Finding the Fourth Proportional to 12,977.14, 17,908.81 and 7,941.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,977.14 : 17,908.81 = 7,941.27 : x
2. Step 2: Convert to fraction form
   12,977.14/17,908.81 = 7,941.27/x
3. Step 3: Cross multiply
   12,977.14x = 17,908.81 × 7,941.27
4. Step 4: Simplify right side
   12,977.14x = 142,218,695.59
5. Step 5: Solve for x
   x = 142,218,695.59/12,977.14
6. Step 6: Final answer
   x = 10,959.17