Finding the Fourth Proportional to 3,111.06, 4,666.05 and 1,162.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.06 : 4,666.05 = 1,162.86 : x
2. Step 2: Convert to fraction form
   3,111.06/4,666.05 = 1,162.86/x
3. Step 3: Cross multiply
   3,111.06x = 4,666.05 × 1,162.86
4. Step 4: Simplify right side
   3,111.06x = 5,425,962.90
5. Step 5: Solve for x
   x = 5,425,962.90/3,111.06
6. Step 6: Final answer
   x = 1,744.09