Finding the Fourth Proportional to 2,505.42, 3,456.18 and 2,336.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.42 : 3,456.18 = 2,336.40 : x
2. Step 2: Convert to fraction form
   2,505.42/3,456.18 = 2,336.40/x
3. Step 3: Cross multiply
   2,505.42x = 3,456.18 × 2,336.40
4. Step 4: Simplify right side
   2,505.42x = 8,075,018.95
5. Step 5: Solve for x
   x = 8,075,018.95/2,505.42
6. Step 6: Final answer
   x = 3,223.02