Finding the Fourth Proportional to 19,889.27, 27,447.29 and 10,937.34

Step by Step Solution

1. Step 1: Write the proportion equation
   19,889.27 : 27,447.29 = 10,937.34 : x
2. Step 2: Convert to fraction form
   19,889.27/27,447.29 = 10,937.34/x
3. Step 3: Cross multiply
   19,889.27x = 27,447.29 × 10,937.34
4. Step 4: Simplify right side
   19,889.27x = 300,200,288.12
5. Step 5: Solve for x
   x = 300,200,288.12/19,889.27
6. Step 6: Final answer
   x = 15,093.58