Finding the Fourth Proportional to 4,069.53, 6,105.51 and 2,123.10

Step by Step Solution

1. Step 1: Write the proportion equation
   4,069.53 : 6,105.51 = 2,123.10 : x
2. Step 2: Convert to fraction form
   4,069.53/6,105.51 = 2,123.10/x
3. Step 3: Cross multiply
   4,069.53x = 6,105.51 × 2,123.10
4. Step 4: Simplify right side
   4,069.53x = 12,962,608.28
5. Step 5: Solve for x
   x = 12,962,608.28/4,069.53
6. Step 6: Final answer
   x = 3,185.28