Finding the Fourth Proportional to 1,384.29, 2,076.98 and 614.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384.29 : 2,076.98 = 614.25 : x
2. Step 2: Convert to fraction form
   1,384.29/2,076.98 = 614.25/x
3. Step 3: Cross multiply
   1,384.29x = 2,076.98 × 614.25
4. Step 4: Simplify right side
   1,384.29x = 1,275,781.89
5. Step 5: Solve for x
   x = 1,275,781.89/1,384.29
6. Step 6: Final answer
   x = 921.61