Finding the Fourth Proportional to 11,956.77, 17,940.62 and 4,562.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,956.77 : 17,940.62 = 4,562.89 : x
2. Step 2: Convert to fraction form
   11,956.77/17,940.62 = 4,562.89/x
3. Step 3: Cross multiply
   11,956.77x = 17,940.62 × 4,562.89
4. Step 4: Simplify right side
   11,956.77x = 81,861,042.15
5. Step 5: Solve for x
   x = 81,861,042.15/11,956.77
6. Step 6: Final answer
   x = 6,846.42