Finding the Fourth Proportional to 3,452.50, 5,178.01 and 1,112.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,452.50 : 5,178.01 = 1,112.71 : x
2. Step 2: Convert to fraction form
   3,452.50/5,178.01 = 1,112.71/x
3. Step 3: Cross multiply
   3,452.50x = 5,178.01 × 1,112.71
4. Step 4: Simplify right side
   3,452.50x = 5,761,623.51
5. Step 5: Solve for x
   x = 5,761,623.51/3,452.50
6. Step 6: Final answer
   x = 1,668.83