Finding the Fourth Proportional to 3,100.69, 4,279.69 and 1,775.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.69 : 4,279.69 = 1,775.16 : x
2. Step 2: Convert to fraction form
   3,100.69/4,279.69 = 1,775.16/x
3. Step 3: Cross multiply
   3,100.69x = 4,279.69 × 1,775.16
4. Step 4: Simplify right side
   3,100.69x = 7,597,138.94
5. Step 5: Solve for x
   x = 7,597,138.94/3,100.69
6. Step 6: Final answer
   x = 2,450.14