Finding the Fourth Proportional to 1,111.92, 1,534.43 and 614.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.92 : 1,534.43 = 614.54 : x
2. Step 2: Convert to fraction form
   1,111.92/1,534.43 = 614.54/x
3. Step 3: Cross multiply
   1,111.92x = 1,534.43 × 614.54
4. Step 4: Simplify right side
   1,111.92x = 942,969.38
5. Step 5: Solve for x
   x = 942,969.38/1,111.92
6. Step 6: Final answer
   x = 848.06