Finding the Fourth Proportional to 19,885.17, 27,440.83 and 10,932.61

Step by Step Solution

1. Step 1: Write the proportion equation
   19,885.17 : 27,440.83 = 10,932.61 : x
2. Step 2: Convert to fraction form
   19,885.17/27,440.83 = 10,932.61/x
3. Step 3: Cross multiply
   19,885.17x = 27,440.83 × 10,932.61
4. Step 4: Simplify right side
   19,885.17x = 299,999,842.55
5. Step 5: Solve for x
   x = 299,999,842.55/19,885.17
6. Step 6: Final answer
   x = 15,086.61