Finding the Fourth Proportional to 10,801, 16,189.98 and 5,599.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,801 : 16,189.98 = 5,599.72 : x
2. Step 2: Convert to fraction form
   10,801/16,189.98 = 5,599.72/x
3. Step 3: Cross multiply
   10,801x = 16,189.98 × 5,599.72
4. Step 4: Simplify right side
   10,801x = 90,659,354.81
5. Step 5: Solve for x
   x = 90,659,354.81/10,801
6. Step 6: Final answer
   x = 8,393.61