Finding the Fourth Proportional to 1,406.32, 1,940.94 and 908.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.32 : 1,940.94 = 908.56 : x
2. Step 2: Convert to fraction form
   1,406.32/1,940.94 = 908.56/x
3. Step 3: Cross multiply
   1,406.32x = 1,940.94 × 908.56
4. Step 4: Simplify right side
   1,406.32x = 1,763,460.45
5. Step 5: Solve for x
   x = 1,763,460.45/1,406.32
6. Step 6: Final answer
   x = 1,253.95