Finding the Fourth Proportional to 11,884.50, 17,812.83 and 4,086.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,884.50 : 17,812.83 = 4,086.42 : x
2. Step 2: Convert to fraction form
   11,884.50/17,812.83 = 4,086.42/x
3. Step 3: Cross multiply
   11,884.50x = 17,812.83 × 4,086.42
4. Step 4: Simplify right side
   11,884.50x = 72,790,704.77
5. Step 5: Solve for x
   x = 72,790,704.77/11,884.50
6. Step 6: Final answer
   x = 6,124.84