Finding the Fourth Proportional to 11,784.10, 16,243.13 and 10,818.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,784.10 : 16,243.13 = 10,818.42 : x
2. Step 2: Convert to fraction form
   11,784.10/16,243.13 = 10,818.42/x
3. Step 3: Cross multiply
   11,784.10x = 16,243.13 × 10,818.42
4. Step 4: Simplify right side
   11,784.10x = 175,725,002.45
5. Step 5: Solve for x
   x = 175,725,002.45/11,784.10
6. Step 6: Final answer
   x = 14,912.04