Finding the Fourth Proportional to 2,106.32, 2,906.72 and 1,174.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.32 : 2,906.72 = 1,174.82 : x
2. Step 2: Convert to fraction form
   2,106.32/2,906.72 = 1,174.82/x
3. Step 3: Cross multiply
   2,106.32x = 2,906.72 × 1,174.82
4. Step 4: Simplify right side
   2,106.32x = 3,414,866.92
5. Step 5: Solve for x
   x = 3,414,866.92/2,106.32
6. Step 6: Final answer
   x = 1,621.25