Finding the Fourth Proportional to 2,095.64, 3,142.71 and 614.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.64 : 3,142.71 = 614.45 : x
2. Step 2: Convert to fraction form
   2,095.64/3,142.71 = 614.45/x
3. Step 3: Cross multiply
   2,095.64x = 3,142.71 × 614.45
4. Step 4: Simplify right side
   2,095.64x = 1,931,022.45
5. Step 5: Solve for x
   x = 1,931,022.45/2,095.64
6. Step 6: Final answer
   x = 921.45