Finding the Fourth Proportional to 11,002, 16,490.42 and 4,423.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,002 : 16,490.42 = 4,423.98 : x
2. Step 2: Convert to fraction form
   11,002/16,490.42 = 4,423.98/x
3. Step 3: Cross multiply
   11,002x = 16,490.42 × 4,423.98
4. Step 4: Simplify right side
   11,002x = 72,953,288.27
5. Step 5: Solve for x
   x = 72,953,288.27/11,002
6. Step 6: Final answer
   x = 6,630.91