Finding the Fourth Proportional to 11,004.10, 16,528.18 and 6,570.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,004.10 : 16,528.18 = 6,570.42 : x
2. Step 2: Convert to fraction form
   11,004.10/16,528.18 = 6,570.42/x
3. Step 3: Cross multiply
   11,004.10x = 16,528.18 × 6,570.42
4. Step 4: Simplify right side
   11,004.10x = 108,597,084.44
5. Step 5: Solve for x
   x = 108,597,084.44/11,004.10
6. Step 6: Final answer
   x = 9,868.78