Finding the Fourth Proportional to 2,848.16, 4,272.89 and 900.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,848.16 : 4,272.89 = 900.32 : x
2. Step 2: Convert to fraction form
   2,848.16/4,272.89 = 900.32/x
3. Step 3: Cross multiply
   2,848.16x = 4,272.89 × 900.32
4. Step 4: Simplify right side
   2,848.16x = 3,846,942.46
5. Step 5: Solve for x
   x = 3,846,942.46/2,848.16
6. Step 6: Final answer
   x = 1,350.68