Finding the Fourth Proportional to 2,109.38, 3,164.00 and 2,106.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.38 : 3,164.00 = 2,106.34 : x
2. Step 2: Convert to fraction form
   2,109.38/3,164.00 = 2,106.34/x
3. Step 3: Cross multiply
   2,109.38x = 3,164.00 × 2,106.34
4. Step 4: Simplify right side
   2,109.38x = 6,664,441.32
5. Step 5: Solve for x
   x = 6,664,441.32/2,109.38
6. Step 6: Final answer
   x = 3,159.44