Finding the Fourth Proportional to 10,799.08, 16,175.58 and 10,015.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,799.08 : 16,175.58 = 10,015.72 : x
2. Step 2: Convert to fraction form
   10,799.08/16,175.58 = 10,015.72/x
3. Step 3: Cross multiply
   10,799.08x = 16,175.58 × 10,015.72
4. Step 4: Simplify right side
   10,799.08x = 162,010,080.12
5. Step 5: Solve for x
   x = 162,010,080.12/10,799.08
6. Step 6: Final answer
   x = 15,002.21