Finding the Fourth Proportional to 1,086.23, 1,499.04 and 614.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.23 : 1,499.04 = 614.23 : x
2. Step 2: Convert to fraction form
   1,086.23/1,499.04 = 614.23/x
3. Step 3: Cross multiply
   1,086.23x = 1,499.04 × 614.23
4. Step 4: Simplify right side
   1,086.23x = 920,755.34
5. Step 5: Solve for x
   x = 920,755.34/1,086.23
6. Step 6: Final answer
   x = 847.66