Finding the Fourth Proportional to 1,111.82, 1,534.19 and 614.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.82 : 1,534.19 = 614.43 : x
2. Step 2: Convert to fraction form
   1,111.82/1,534.19 = 614.43/x
3. Step 3: Cross multiply
   1,111.82x = 1,534.19 × 614.43
4. Step 4: Simplify right side
   1,111.82x = 942,649.29
5. Step 5: Solve for x
   x = 942,649.29/1,111.82
6. Step 6: Final answer
   x = 847.85