Finding the Fourth Proportional to 3,109.72, 4,663.32 and 1,162.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,109.72 : 4,663.32 = 1,162.06 : x
2. Step 2: Convert to fraction form
   3,109.72/4,663.32 = 1,162.06/x
3. Step 3: Cross multiply
   3,109.72x = 4,663.32 × 1,162.06
4. Step 4: Simplify right side
   3,109.72x = 5,419,057.64
5. Step 5: Solve for x
   x = 5,419,057.64/3,109.72
6. Step 6: Final answer
   x = 1,742.62