Finding the Fourth Proportional to 3,180.72, 4,771.29 and 1,100.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,180.72 : 4,771.29 = 1,100.92 : x
2. Step 2: Convert to fraction form
   3,180.72/4,771.29 = 1,100.92/x
3. Step 3: Cross multiply
   3,180.72x = 4,771.29 × 1,100.92
4. Step 4: Simplify right side
   3,180.72x = 5,252,808.59
5. Step 5: Solve for x
   x = 5,252,808.59/3,180.72
6. Step 6: Final answer
   x = 1,651.45