Finding the Fourth Proportional to 3,110.72, 4,666.20 and 1,162.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,110.72 : 4,666.20 = 1,162.72 : x
2. Step 2: Convert to fraction form
   3,110.72/4,666.20 = 1,162.72/x
3. Step 3: Cross multiply
   3,110.72x = 4,666.20 × 1,162.72
4. Step 4: Simplify right side
   3,110.72x = 5,425,484.06
5. Step 5: Solve for x
   x = 5,425,484.06/3,110.72
6. Step 6: Final answer
   x = 1,744.12