Finding the Fourth Proportional to 2,503.72, 3,759.23 and 1,777.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.72 : 3,759.23 = 1,777.15 : x
2. Step 2: Convert to fraction form
   2,503.72/3,759.23 = 1,777.15/x
3. Step 3: Cross multiply
   2,503.72x = 3,759.23 × 1,777.15
4. Step 4: Simplify right side
   2,503.72x = 6,680,715.59
5. Step 5: Solve for x
   x = 6,680,715.59/2,503.72
6. Step 6: Final answer
   x = 2,668.32