Finding the Fourth Proportional to 21,807.69, 32,690.76 and 7,006.22

Step by Step Solution

1. Step 1: Write the proportion equation
   21,807.69 : 32,690.76 = 7,006.22 : x
2. Step 2: Convert to fraction form
   21,807.69/32,690.76 = 7,006.22/x
3. Step 3: Cross multiply
   21,807.69x = 32,690.76 × 7,006.22
4. Step 4: Simplify right side
   21,807.69x = 229,038,589.39
5. Step 5: Solve for x
   x = 229,038,589.39/21,807.69
6. Step 6: Final answer
   x = 10,502.65