Finding the Fourth Proportional to 2,069.45, 3,105.23 and 1,376.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.45 : 3,105.23 = 1,376.59 : x
2. Step 2: Convert to fraction form
   2,069.45/3,105.23 = 1,376.59/x
3. Step 3: Cross multiply
   2,069.45x = 3,105.23 × 1,376.59
4. Step 4: Simplify right side
   2,069.45x = 4,274,628.57
5. Step 5: Solve for x
   x = 4,274,628.57/2,069.45
6. Step 6: Final answer
   x = 2,065.59