Finding the Fourth Proportional to 7,945.32, 10,966.71 and 4,959.39

Step by Step Solution

1. Step 1: Write the proportion equation
   7,945.32 : 10,966.71 = 4,959.39 : x
2. Step 2: Convert to fraction form
   7,945.32/10,966.71 = 4,959.39/x
3. Step 3: Cross multiply
   7,945.32x = 10,966.71 × 4,959.39
4. Step 4: Simplify right side
   7,945.32x = 54,388,191.91
5. Step 5: Solve for x
   x = 54,388,191.91/7,945.32
6. Step 6: Final answer
   x = 6,845.31