Finding the Fourth Proportional to 3,142.88, 4,716.47 and 1,090.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,142.88 : 4,716.47 = 1,090.88 : x
2. Step 2: Convert to fraction form
   3,142.88/4,716.47 = 1,090.88/x
3. Step 3: Cross multiply
   3,142.88x = 4,716.47 × 1,090.88
4. Step 4: Simplify right side
   3,142.88x = 5,145,081.94
5. Step 5: Solve for x
   x = 5,145,081.94/3,142.88
6. Step 6: Final answer
   x = 1,637.06