Finding the Fourth Proportional to 10,575.29, 15,870.23 and 10,493.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,575.29 : 15,870.23 = 10,493.28 : x
2. Step 2: Convert to fraction form
   10,575.29/15,870.23 = 10,493.28/x
3. Step 3: Cross multiply
   10,575.29x = 15,870.23 × 10,493.28
4. Step 4: Simplify right side
   10,575.29x = 166,530,714.59
5. Step 5: Solve for x
   x = 166,530,714.59/10,575.29
6. Step 6: Final answer
   x = 15,747.16