Finding the Fourth Proportional to 2,106.54, 2,907.03 and 1,175.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.54 : 2,907.03 = 1,175.10 : x
2. Step 2: Convert to fraction form
   2,106.54/2,907.03 = 1,175.10/x
3. Step 3: Cross multiply
   2,106.54x = 2,907.03 × 1,175.10
4. Step 4: Simplify right side
   2,106.54x = 3,416,050.95
5. Step 5: Solve for x
   x = 3,416,050.95/2,106.54
6. Step 6: Final answer
   x = 1,621.64