Finding the Fourth Proportional to 3,697.20, 5,096.06 and 2,620.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,697.20 : 5,096.06 = 2,620.84 : x
2. Step 2: Convert to fraction form
   3,697.20/5,096.06 = 2,620.84/x
3. Step 3: Cross multiply
   3,697.20x = 5,096.06 × 2,620.84
4. Step 4: Simplify right side
   3,697.20x = 13,355,957.89
5. Step 5: Solve for x
   x = 13,355,957.89/3,697.20
6. Step 6: Final answer
   x = 3,612.45