Finding the Fourth Proportional to 19,900.42, 27,461.50 and 10,946.48

Step by Step Solution

1. Step 1: Write the proportion equation
   19,900.42 : 27,461.50 = 10,946.48 : x
2. Step 2: Convert to fraction form
   19,900.42/27,461.50 = 10,946.48/x
3. Step 3: Cross multiply
   19,900.42x = 27,461.50 × 10,946.48
4. Step 4: Simplify right side
   19,900.42x = 300,606,760.52
5. Step 5: Solve for x
   x = 300,606,760.52/19,900.42
6. Step 6: Final answer
   x = 15,105.55