Finding the Fourth Proportional to 1,111.82, 1,534.25 and 614.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.82 : 1,534.25 = 614.48 : x
2. Step 2: Convert to fraction form
   1,111.82/1,534.25 = 614.48/x
3. Step 3: Cross multiply
   1,111.82x = 1,534.25 × 614.48
4. Step 4: Simplify right side
   1,111.82x = 942,759.80
5. Step 5: Solve for x
   x = 942,759.80/1,111.82
6. Step 6: Final answer
   x = 847.95