Finding the Fourth Proportional to 19,900.86, 27,463.98 and 10,949.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,900.86 : 27,463.98 = 10,949.10 : x
2. Step 2: Convert to fraction form
   19,900.86/27,463.98 = 10,949.10/x
3. Step 3: Cross multiply
   19,900.86x = 27,463.98 × 10,949.10
4. Step 4: Simplify right side
   19,900.86x = 300,705,863.42
5. Step 5: Solve for x
   x = 300,705,863.42/19,900.86
6. Step 6: Final answer
   x = 15,110.19