Finding the Fourth Proportional to 1,773.58, 2,662.05 and 908.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,773.58 : 2,662.05 = 908.50 : x
2. Step 2: Convert to fraction form
   1,773.58/2,662.05 = 908.50/x
3. Step 3: Cross multiply
   1,773.58x = 2,662.05 × 908.50
4. Step 4: Simplify right side
   1,773.58x = 2,418,472.43
5. Step 5: Solve for x
   x = 2,418,472.43/1,773.58
6. Step 6: Final answer
   x = 1,363.61