Finding the Fourth Proportional to 2,614.79, 3,918.50 and 1,445.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.79 : 3,918.50 = 1,445.32 : x
2. Step 2: Convert to fraction form
   2,614.79/3,918.50 = 1,445.32/x
3. Step 3: Cross multiply
   2,614.79x = 3,918.50 × 1,445.32
4. Step 4: Simplify right side
   2,614.79x = 5,663,486.42
5. Step 5: Solve for x
   x = 5,663,486.42/2,614.79
6. Step 6: Final answer
   x = 2,165.94