Finding the Fourth Proportional to 1,903.32, 2,850.89 and 927.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,903.32 : 2,850.89 = 927.38 : x
2. Step 2: Convert to fraction form
   1,903.32/2,850.89 = 927.38/x
3. Step 3: Cross multiply
   1,903.32x = 2,850.89 × 927.38
4. Step 4: Simplify right side
   1,903.32x = 2,643,839.48
5. Step 5: Solve for x
   x = 2,643,839.48/1,903.32
6. Step 6: Final answer
   x = 1,389.06