Finding the Fourth Proportional to 1,111.44, 1,533.78 and 614.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.44 : 1,533.78 = 614.10 : x
2. Step 2: Convert to fraction form
   1,111.44/1,533.78 = 614.10/x
3. Step 3: Cross multiply
   1,111.44x = 1,533.78 × 614.10
4. Step 4: Simplify right side
   1,111.44x = 941,894.30
5. Step 5: Solve for x
   x = 941,894.30/1,111.44
6. Step 6: Final answer
   x = 847.45