Finding the Fourth Proportional to 10,898.16, 16,345.41 and 3,105.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,898.16 : 16,345.41 = 3,105.12 : x
2. Step 2: Convert to fraction form
   10,898.16/16,345.41 = 3,105.12/x
3. Step 3: Cross multiply
   10,898.16x = 16,345.41 × 3,105.12
4. Step 4: Simplify right side
   10,898.16x = 50,754,459.50
5. Step 5: Solve for x
   x = 50,754,459.50/10,898.16
6. Step 6: Final answer
   x = 4,657.16