Finding the Fourth Proportional to 3,164.94, 4,747.42 and 1,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,164.94 : 4,747.42 = 1,111.50 : x
2. Step 2: Convert to fraction form
   3,164.94/4,747.42 = 1,111.50/x
3. Step 3: Cross multiply
   3,164.94x = 4,747.42 × 1,111.50
4. Step 4: Simplify right side
   3,164.94x = 5,276,757.33
5. Step 5: Solve for x
   x = 5,276,757.33/3,164.94
6. Step 6: Final answer
   x = 1,667.25