Finding the Fourth Proportional to 2,848.18, 4,272.89 and 873.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,848.18 : 4,272.89 = 873.82 : x
2. Step 2: Convert to fraction form
   2,848.18/4,272.89 = 873.82/x
3. Step 3: Cross multiply
   2,848.18x = 4,272.89 × 873.82
4. Step 4: Simplify right side
   2,848.18x = 3,733,736.74
5. Step 5: Solve for x
   x = 3,733,736.74/2,848.18
6. Step 6: Final answer
   x = 1,310.92