Finding the Fourth Proportional to 19,900.17, 27,462.68 and 10,948.15

Step by Step Solution

1. Step 1: Write the proportion equation
   19,900.17 : 27,462.68 = 10,948.15 : x
2. Step 2: Convert to fraction form
   19,900.17/27,462.68 = 10,948.15/x
3. Step 3: Cross multiply
   19,900.17x = 27,462.68 × 10,948.15
4. Step 4: Simplify right side
   19,900.17x = 300,665,540.04
5. Step 5: Solve for x
   x = 300,665,540.04/19,900.17
6. Step 6: Final answer
   x = 15,108.69