Finding the Fourth Proportional to 3,111.62, 4,666.24 and 1,031.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.62 : 4,666.24 = 1,031.27 : x
2. Step 2: Convert to fraction form
   3,111.62/4,666.24 = 1,031.27/x
3. Step 3: Cross multiply
   3,111.62x = 4,666.24 × 1,031.27
4. Step 4: Simplify right side
   3,111.62x = 4,812,153.32
5. Step 5: Solve for x
   x = 4,812,153.32/3,111.62
6. Step 6: Final answer
   x = 1,546.51