Finding the Fourth Proportional to 11,818.50, 17,732.83 and 4,422.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,818.50 : 17,732.83 = 4,422.02 : x
2. Step 2: Convert to fraction form
   11,818.50/17,732.83 = 4,422.02/x
3. Step 3: Cross multiply
   11,818.50x = 17,732.83 × 4,422.02
4. Step 4: Simplify right side
   11,818.50x = 78,414,928.92
5. Step 5: Solve for x
   x = 78,414,928.92/11,818.50
6. Step 6: Final answer
   x = 6,634.93