Finding the Fourth Proportional to 2,416.42, 3,618.27 and 1,945.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,416.42 : 3,618.27 = 1,945.35 : x
2. Step 2: Convert to fraction form
   2,416.42/3,618.27 = 1,945.35/x
3. Step 3: Cross multiply
   2,416.42x = 3,618.27 × 1,945.35
4. Step 4: Simplify right side
   2,416.42x = 7,038,801.54
5. Step 5: Solve for x
   x = 7,038,801.54/2,416.42
6. Step 6: Final answer
   x = 2,912.90