Finding the Fourth Proportional to 1,086.96, 1,499.92 and 614.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.96 : 1,499.92 = 614.92 : x
2. Step 2: Convert to fraction form
   1,086.96/1,499.92 = 614.92/x
3. Step 3: Cross multiply
   1,086.96x = 1,499.92 × 614.92
4. Step 4: Simplify right side
   1,086.96x = 922,330.81
5. Step 5: Solve for x
   x = 922,330.81/1,086.96
6. Step 6: Final answer
   x = 848.54