Finding the Fourth Proportional to 2,699.40, 3,724.89 and 1,520.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,699.40 : 3,724.89 = 1,520.46 : x
2. Step 2: Convert to fraction form
   2,699.40/3,724.89 = 1,520.46/x
3. Step 3: Cross multiply
   2,699.40x = 3,724.89 × 1,520.46
4. Step 4: Simplify right side
   2,699.40x = 5,663,546.25
5. Step 5: Solve for x
   x = 5,663,546.25/2,699.40
6. Step 6: Final answer
   x = 2,098.08