Finding the Fourth Proportional to 10,959.32, 16,443.30 and 4,799

Step by Step Solution

1. Step 1: Write the proportion equation
   10,959.32 : 16,443.30 = 4,799 : x
2. Step 2: Convert to fraction form
   10,959.32/16,443.30 = 4,799/x
3. Step 3: Cross multiply
   10,959.32x = 16,443.30 × 4,799
4. Step 4: Simplify right side
   10,959.32x = 78,911,396.70
5. Step 5: Solve for x
   x = 78,911,396.70/10,959.32
6. Step 6: Final answer
   x = 7,200.39