Finding the Fourth Proportional to 4,066.61, 6,100.31 and 1,105.10

Step by Step Solution

1. Step 1: Write the proportion equation
   4,066.61 : 6,100.31 = 1,105.10 : x
2. Step 2: Convert to fraction form
   4,066.61/6,100.31 = 1,105.10/x
3. Step 3: Cross multiply
   4,066.61x = 6,100.31 × 1,105.10
4. Step 4: Simplify right side
   4,066.61x = 6,741,447.72
5. Step 5: Solve for x
   x = 6,741,447.72/4,066.61
6. Step 6: Final answer
   x = 1,657.76