Finding the Fourth Proportional to 19,886.48, 27,443.53 and 10,934.05

Step by Step Solution

1. Step 1: Write the proportion equation
   19,886.48 : 27,443.53 = 10,934.05 : x
2. Step 2: Convert to fraction form
   19,886.48/27,443.53 = 10,934.05/x
3. Step 3: Cross multiply
   19,886.48x = 27,443.53 × 10,934.05
4. Step 4: Simplify right side
   19,886.48x = 300,068,929.20
5. Step 5: Solve for x
   x = 300,068,929.20/19,886.48
6. Step 6: Final answer
   x = 15,089.09