Finding the Fourth Proportional to 19,900.48, 27,462.73 and 10,948.55

Step by Step Solution

1. Step 1: Write the proportion equation
   19,900.48 : 27,462.73 = 10,948.55 : x
2. Step 2: Convert to fraction form
   19,900.48/27,462.73 = 10,948.55/x
3. Step 3: Cross multiply
   19,900.48x = 27,462.73 × 10,948.55
4. Step 4: Simplify right side
   19,900.48x = 300,677,113.83
5. Step 5: Solve for x
   x = 300,677,113.83/19,900.48
6. Step 6: Final answer
   x = 15,109.04