Finding the Fourth Proportional to 1,308.01, 1,961.22 and 614.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308.01 : 1,961.22 = 614.83 : x
2. Step 2: Convert to fraction form
   1,308.01/1,961.22 = 614.83/x
3. Step 3: Cross multiply
   1,308.01x = 1,961.22 × 614.83
4. Step 4: Simplify right side
   1,308.01x = 1,205,816.89
5. Step 5: Solve for x
   x = 1,205,816.89/1,308.01
6. Step 6: Final answer
   x = 921.87