Finding the Fourth Proportional to 11,892.34, 17,823.12 and 10,237.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,892.34 : 17,823.12 = 10,237.78 : x
2. Step 2: Convert to fraction form
   11,892.34/17,823.12 = 10,237.78/x
3. Step 3: Cross multiply
   11,892.34x = 17,823.12 × 10,237.78
4. Step 4: Simplify right side
   11,892.34x = 182,469,181.47
5. Step 5: Solve for x
   x = 182,469,181.47/11,892.34
6. Step 6: Final answer
   x = 15,343.42