Finding the Fourth Proportional to 19,885.37, 27,442.80 and 10,934.06

Step by Step Solution

1. Step 1: Write the proportion equation
   19,885.37 : 27,442.80 = 10,934.06 : x
2. Step 2: Convert to fraction form
   19,885.37/27,442.80 = 10,934.06/x
3. Step 3: Cross multiply
   19,885.37x = 27,442.80 × 10,934.06
4. Step 4: Simplify right side
   19,885.37x = 300,061,084.55
5. Step 5: Solve for x
   x = 300,061,084.55/19,885.37
6. Step 6: Final answer
   x = 15,089.54