Finding the Fourth Proportional to 3,100.16, 4,650.33 and 1,126.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.16 : 4,650.33 = 1,126.19 : x
2. Step 2: Convert to fraction form
   3,100.16/4,650.33 = 1,126.19/x
3. Step 3: Cross multiply
   3,100.16x = 4,650.33 × 1,126.19
4. Step 4: Simplify right side
   3,100.16x = 5,237,131.89
5. Step 5: Solve for x
   x = 5,237,131.89/3,100.16
6. Step 6: Final answer
   x = 1,689.31