Finding the Fourth Proportional to 1,086.98, 1,499.96 and 614.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.98 : 1,499.96 = 614.88 : x
2. Step 2: Convert to fraction form
   1,086.98/1,499.96 = 614.88/x
3. Step 3: Cross multiply
   1,086.98x = 1,499.96 × 614.88
4. Step 4: Simplify right side
   1,086.98x = 922,292.33
5. Step 5: Solve for x
   x = 922,292.33/1,086.98
6. Step 6: Final answer
   x = 848.49