Finding the Fourth Proportional to 10,979.31, 15,151.47 and 5,943.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,979.31 : 15,151.47 = 5,943.54 : x
2. Step 2: Convert to fraction form
   10,979.31/15,151.47 = 5,943.54/x
3. Step 3: Cross multiply
   10,979.31x = 15,151.47 × 5,943.54
4. Step 4: Simplify right side
   10,979.31x = 90,053,368.00
5. Step 5: Solve for x
   x = 90,053,368.00/10,979.31
6. Step 6: Final answer
   x = 8,202.10