Finding the Fourth Proportional to 12,994.52, 17,932.20 and 7,957.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,994.52 : 17,932.20 = 7,957.94 : x
2. Step 2: Convert to fraction form
   12,994.52/17,932.20 = 7,957.94/x
3. Step 3: Cross multiply
   12,994.52x = 17,932.20 × 7,957.94
4. Step 4: Simplify right side
   12,994.52x = 142,703,371.67
5. Step 5: Solve for x
   x = 142,703,371.67/12,994.52
6. Step 6: Final answer
   x = 10,981.81