Finding the Fourth Proportional to 2,699.20, 3,724.76 and 1,520.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,699.20 : 3,724.76 = 1,520.34 : x
2. Step 2: Convert to fraction form
   2,699.20/3,724.76 = 1,520.34/x
3. Step 3: Cross multiply
   2,699.20x = 3,724.76 × 1,520.34
4. Step 4: Simplify right side
   2,699.20x = 5,662,901.62
5. Step 5: Solve for x
   x = 5,662,901.62/2,699.20
6. Step 6: Final answer
   x = 2,097.99