Finding the Fourth Proportional to 2,848.52, 4,272.93 and 900.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,848.52 : 4,272.93 = 900.56 : x
2. Step 2: Convert to fraction form
   2,848.52/4,272.93 = 900.56/x
3. Step 3: Cross multiply
   2,848.52x = 4,272.93 × 900.56
4. Step 4: Simplify right side
   2,848.52x = 3,848,040.52
5. Step 5: Solve for x
   x = 3,848,040.52/2,848.52
6. Step 6: Final answer
   x = 1,350.89