Finding the Fourth Proportional to 2,225.23, 3,354.72 and 2,106.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225.23 : 3,354.72 = 2,106.16 : x
2. Step 2: Convert to fraction form
   2,225.23/3,354.72 = 2,106.16/x
3. Step 3: Cross multiply
   2,225.23x = 3,354.72 × 2,106.16
4. Step 4: Simplify right side
   2,225.23x = 7,065,560.30
5. Step 5: Solve for x
   x = 7,065,560.30/2,225.23
6. Step 6: Final answer
   x = 3,175.21