Finding the Fourth Proportional to 3,090.30, 4,636.26 and 1,142.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,090.30 : 4,636.26 = 1,142.52 : x
2. Step 2: Convert to fraction form
   3,090.30/4,636.26 = 1,142.52/x
3. Step 3: Cross multiply
   3,090.30x = 4,636.26 × 1,142.52
4. Step 4: Simplify right side
   3,090.30x = 5,297,019.78
5. Step 5: Solve for x
   x = 5,297,019.78/3,090.30
6. Step 6: Final answer
   x = 1,714.08