Finding the Fourth Proportional to 7,998.72, 10,979.52 and 7,094.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,998.72 : 10,979.52 = 7,094.76 : x
2. Step 2: Convert to fraction form
   7,998.72/10,979.52 = 7,094.76/x
3. Step 3: Cross multiply
   7,998.72x = 10,979.52 × 7,094.76
4. Step 4: Simplify right side
   7,998.72x = 77,897,059.32
5. Step 5: Solve for x
   x = 77,897,059.32/7,998.72
6. Step 6: Final answer
   x = 9,738.69