Finding the Fourth Proportional to 1,111.98, 1,534.39 and 614.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.98 : 1,534.39 = 614.59 : x
2. Step 2: Convert to fraction form
   1,111.98/1,534.39 = 614.59/x
3. Step 3: Cross multiply
   1,111.98x = 1,534.39 × 614.59
4. Step 4: Simplify right side
   1,111.98x = 943,020.75
5. Step 5: Solve for x
   x = 943,020.75/1,111.98
6. Step 6: Final answer
   x = 848.06