Finding the Fourth Proportional to 7,300.72, 10,948.92 and 2,620.36

Step by Step Solution

1. Step 1: Write the proportion equation
   7,300.72 : 10,948.92 = 2,620.36 : x
2. Step 2: Convert to fraction form
   7,300.72/10,948.92 = 2,620.36/x
3. Step 3: Cross multiply
   7,300.72x = 10,948.92 × 2,620.36
4. Step 4: Simplify right side
   7,300.72x = 28,690,112.01
5. Step 5: Solve for x
   x = 28,690,112.01/7,300.72
6. Step 6: Final answer
   x = 3,929.76