Finding the Fourth Proportional to 2,106.69, 2,907.23 and 1,175.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.69 : 2,907.23 = 1,175.19 : x
2. Step 2: Convert to fraction form
   2,106.69/2,907.23 = 1,175.19/x
3. Step 3: Cross multiply
   2,106.69x = 2,907.23 × 1,175.19
4. Step 4: Simplify right side
   2,106.69x = 3,416,538.89
5. Step 5: Solve for x
   x = 3,416,538.89/2,106.69
6. Step 6: Final answer
   x = 1,621.76