Finding the Fourth Proportional to 2,340.18, 3,507.90 and 1,518.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,340.18 : 3,507.90 = 1,518.98 : x
2. Step 2: Convert to fraction form
   2,340.18/3,507.90 = 1,518.98/x
3. Step 3: Cross multiply
   2,340.18x = 3,507.90 × 1,518.98
4. Step 4: Simplify right side
   2,340.18x = 5,328,429.94
5. Step 5: Solve for x
   x = 5,328,429.94/2,340.18
6. Step 6: Final answer
   x = 2,276.93