Finding the Fourth Proportional to 10,979.01, 15,153.27 and 7,443.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,979.01 : 15,153.27 = 7,443.36 : x
2. Step 2: Convert to fraction form
   10,979.01/15,153.27 = 7,443.36/x
3. Step 3: Cross multiply
   10,979.01x = 15,153.27 × 7,443.36
4. Step 4: Simplify right side
   10,979.01x = 112,791,243.79
5. Step 5: Solve for x
   x = 112,791,243.79/10,979.01
6. Step 6: Final answer
   x = 10,273.35