Finding the Fourth Proportional to 2,848.87, 4,272.18 and 999.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,848.87 : 4,272.18 = 999.82 : x
2. Step 2: Convert to fraction form
   2,848.87/4,272.18 = 999.82/x
3. Step 3: Cross multiply
   2,848.87x = 4,272.18 × 999.82
4. Step 4: Simplify right side
   2,848.87x = 4,271,411.01
5. Step 5: Solve for x
   x = 4,271,411.01/2,848.87
6. Step 6: Final answer
   x = 1,499.34