Finding the Fourth Proportional to 1,788.76, 2,660.03 and 1,769.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.76 : 2,660.03 = 1,769.56 : x
2. Step 2: Convert to fraction form
   1,788.76/2,660.03 = 1,769.56/x
3. Step 3: Cross multiply
   1,788.76x = 2,660.03 × 1,769.56
4. Step 4: Simplify right side
   1,788.76x = 4,707,082.69
5. Step 5: Solve for x
   x = 4,707,082.69/1,788.76
6. Step 6: Final answer
   x = 2,631.48