Finding the Fourth Proportional to 7,300.95, 10,950.20 and 2,620.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,300.95 : 10,950.20 = 2,620.10 : x
2. Step 2: Convert to fraction form
   7,300.95/10,950.20 = 2,620.10/x
3. Step 3: Cross multiply
   7,300.95x = 10,950.20 × 2,620.10
4. Step 4: Simplify right side
   7,300.95x = 28,690,596.26
5. Step 5: Solve for x
   x = 28,690,596.26/7,300.95
6. Step 6: Final answer
   x = 3,929.71