Finding the Fourth Proportional to 3,450.50, 5,176.56 and 1,142

Step by Step Solution

1. Step 1: Write the proportion equation
   3,450.50 : 5,176.56 = 1,142 : x
2. Step 2: Convert to fraction form
   3,450.50/5,176.56 = 1,142/x
3. Step 3: Cross multiply
   3,450.50x = 5,176.56 × 1,142
4. Step 4: Simplify right side
   3,450.50x = 5,911,631.52
5. Step 5: Solve for x
   x = 5,911,631.52/3,450.50
6. Step 6: Final answer
   x = 1,713.27