Finding the Fourth Proportional to 1,354.02, 1,868.54 and 906.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354.02 : 1,868.54 = 906.38 : x
2. Step 2: Convert to fraction form
   1,354.02/1,868.54 = 906.38/x
3. Step 3: Cross multiply
   1,354.02x = 1,868.54 × 906.38
4. Step 4: Simplify right side
   1,354.02x = 1,693,593.41
5. Step 5: Solve for x
   x = 1,693,593.41/1,354.02
6. Step 6: Final answer
   x = 1,250.79