Finding the Fourth Proportional to 3,699.54, 5,100.84 and 2,518.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699.54 : 5,100.84 = 2,518.56 : x
2. Step 2: Convert to fraction form
   3,699.54/5,100.84 = 2,518.56/x
3. Step 3: Cross multiply
   3,699.54x = 5,100.84 × 2,518.56
4. Step 4: Simplify right side
   3,699.54x = 12,846,771.59
5. Step 5: Solve for x
   x = 12,846,771.59/3,699.54
6. Step 6: Final answer
   x = 3,472.53