Finding the Fourth Proportional to 2,699.16, 3,724.85 and 1,520.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,699.16 : 3,724.85 = 1,520.25 : x
2. Step 2: Convert to fraction form
   2,699.16/3,724.85 = 1,520.25/x
3. Step 3: Cross multiply
   2,699.16x = 3,724.85 × 1,520.25
4. Step 4: Simplify right side
   2,699.16x = 5,662,695.61
5. Step 5: Solve for x
   x = 5,662,695.61/2,699.16
6. Step 6: Final answer
   x = 2,097.95