Finding the Fourth Proportional to 2,848.10, 4,272.18 and 900.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,848.10 : 4,272.18 = 900.32 : x
2. Step 2: Convert to fraction form
   2,848.10/4,272.18 = 900.32/x
3. Step 3: Cross multiply
   2,848.10x = 4,272.18 × 900.32
4. Step 4: Simplify right side
   2,848.10x = 3,846,329.10
5. Step 5: Solve for x
   x = 3,846,329.10/2,848.10
6. Step 6: Final answer
   x = 1,350.49