Finding the Fourth Proportional to 2,223.89, 3,069.34 and 1,505.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.89 : 3,069.34 = 1,505.76 : x
2. Step 2: Convert to fraction form
   2,223.89/3,069.34 = 1,505.76/x
3. Step 3: Cross multiply
   2,223.89x = 3,069.34 × 1,505.76
4. Step 4: Simplify right side
   2,223.89x = 4,621,682.59
5. Step 5: Solve for x
   x = 4,621,682.59/2,223.89
6. Step 6: Final answer
   x = 2,078.20