Finding the Fourth Proportional to 21,805.82, 32,687.96 and 7,004.36

Step by Step Solution

1. Step 1: Write the proportion equation
   21,805.82 : 32,687.96 = 7,004.36 : x
2. Step 2: Convert to fraction form
   21,805.82/32,687.96 = 7,004.36/x
3. Step 3: Cross multiply
   21,805.82x = 32,687.96 × 7,004.36
4. Step 4: Simplify right side
   21,805.82x = 228,958,093.58
5. Step 5: Solve for x
   x = 228,958,093.58/21,805.82
6. Step 6: Final answer
   x = 10,499.86