Finding the Fourth Proportional to 3,171.50, 4,755.51 and 1,090.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171.50 : 4,755.51 = 1,090.34 : x
2. Step 2: Convert to fraction form
   3,171.50/4,755.51 = 1,090.34/x
3. Step 3: Cross multiply
   3,171.50x = 4,755.51 × 1,090.34
4. Step 4: Simplify right side
   3,171.50x = 5,185,122.77
5. Step 5: Solve for x
   x = 5,185,122.77/3,171.50
6. Step 6: Final answer
   x = 1,634.91