Finding the Fourth Proportional to 10,166.19, 15,249.42 and 4,900.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,166.19 : 15,249.42 = 4,900.10 : x
2. Step 2: Convert to fraction form
   10,166.19/15,249.42 = 4,900.10/x
3. Step 3: Cross multiply
   10,166.19x = 15,249.42 × 4,900.10
4. Step 4: Simplify right side
   10,166.19x = 74,723,606.69
5. Step 5: Solve for x
   x = 74,723,606.69/10,166.19
6. Step 6: Final answer
   x = 7,350.21