Finding the Fourth Proportional to 19,886.95, 27,443.61 and 10,934.37

Step by Step Solution

1. Step 1: Write the proportion equation
   19,886.95 : 27,443.61 = 10,934.37 : x
2. Step 2: Convert to fraction form
   19,886.95/27,443.61 = 10,934.37/x
3. Step 3: Cross multiply
   19,886.95x = 27,443.61 × 10,934.37
4. Step 4: Simplify right side
   19,886.95x = 300,078,448.66
5. Step 5: Solve for x
   x = 300,078,448.66/19,886.95
6. Step 6: Final answer
   x = 15,089.21