Finding the Fourth Proportional to 7,340.72, 10,948.30 and 7,081.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,340.72 : 10,948.30 = 7,081.52 : x
2. Step 2: Convert to fraction form
   7,340.72/10,948.30 = 7,081.52/x
3. Step 3: Cross multiply
   7,340.72x = 10,948.30 × 7,081.52
4. Step 4: Simplify right side
   7,340.72x = 77,530,605.42
5. Step 5: Solve for x
   x = 77,530,605.42/7,340.72
6. Step 6: Final answer
   x = 10,561.72