Finding the Fourth Proportional to 1,350.18, 1,860.84 and 906.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.18 : 1,860.84 = 906.84 : x
2. Step 2: Convert to fraction form
   1,350.18/1,860.84 = 906.84/x
3. Step 3: Cross multiply
   1,350.18x = 1,860.84 × 906.84
4. Step 4: Simplify right side
   1,350.18x = 1,687,484.15
5. Step 5: Solve for x
   x = 1,687,484.15/1,350.18
6. Step 6: Final answer
   x = 1,249.82