Finding the Fourth Proportional to 7,316.72, 10,976.24 and 3,157.92

Step by Step Solution

1. Step 1: Write the proportion equation
   7,316.72 : 10,976.24 = 3,157.92 : x
2. Step 2: Convert to fraction form
   7,316.72/10,976.24 = 3,157.92/x
3. Step 3: Cross multiply
   7,316.72x = 10,976.24 × 3,157.92
4. Step 4: Simplify right side
   7,316.72x = 34,662,087.82
5. Step 5: Solve for x
   x = 34,662,087.82/7,316.72
6. Step 6: Final answer
   x = 4,737.38