Finding the Fourth Proportional to 16,910.10, 25,316.55 and 10,349.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,910.10 : 25,316.55 = 10,349.10 : x
2. Step 2: Convert to fraction form
   16,910.10/25,316.55 = 10,349.10/x
3. Step 3: Cross multiply
   16,910.10x = 25,316.55 × 10,349.10
4. Step 4: Simplify right side
   16,910.10x = 262,003,507.61
5. Step 5: Solve for x
   x = 262,003,507.61/16,910.10
6. Step 6: Final answer
   x = 15,493.91