Finding the Fourth Proportional to 1,111.93, 1,534.56 and 614.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.93 : 1,534.56 = 614.62 : x
2. Step 2: Convert to fraction form
   1,111.93/1,534.56 = 614.62/x
3. Step 3: Cross multiply
   1,111.93x = 1,534.56 × 614.62
4. Step 4: Simplify right side
   1,111.93x = 943,171.27
5. Step 5: Solve for x
   x = 943,171.27/1,111.93
6. Step 6: Final answer
   x = 848.23