Finding the Fourth Proportional to 1,111.46, 1,667.58 and 563.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.46 : 1,667.58 = 563.18 : x
2. Step 2: Convert to fraction form
   1,111.46/1,667.58 = 563.18/x
3. Step 3: Cross multiply
   1,111.46x = 1,667.58 × 563.18
4. Step 4: Simplify right side
   1,111.46x = 939,147.70
5. Step 5: Solve for x
   x = 939,147.70/1,111.46
6. Step 6: Final answer
   x = 844.97