Finding the Fourth Proportional to 1,948.01, 2,921.67 and 908.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,948.01 : 2,921.67 = 908.10 : x
2. Step 2: Convert to fraction form
   1,948.01/2,921.67 = 908.10/x
3. Step 3: Cross multiply
   1,948.01x = 2,921.67 × 908.10
4. Step 4: Simplify right side
   1,948.01x = 2,653,168.53
5. Step 5: Solve for x
   x = 2,653,168.53/1,948.01
6. Step 6: Final answer
   x = 1,361.99