Finding the Fourth Proportional to 1,773.18, 2,660.56 and 908.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,773.18 : 2,660.56 = 908.10 : x
2. Step 2: Convert to fraction form
   1,773.18/2,660.56 = 908.10/x
3. Step 3: Cross multiply
   1,773.18x = 2,660.56 × 908.10
4. Step 4: Simplify right side
   1,773.18x = 2,416,054.54
5. Step 5: Solve for x
   x = 2,416,054.54/1,773.18
6. Step 6: Final answer
   x = 1,362.55