Finding the Fourth Proportional to 21,793.57, 32,687.31 and 7,003.78

Step by Step Solution

1. Step 1: Write the proportion equation
   21,793.57 : 32,687.31 = 7,003.78 : x
2. Step 2: Convert to fraction form
   21,793.57/32,687.31 = 7,003.78/x
3. Step 3: Cross multiply
   21,793.57x = 32,687.31 × 7,003.78
4. Step 4: Simplify right side
   21,793.57x = 228,934,728.03
5. Step 5: Solve for x
   x = 228,934,728.03/21,793.57
6. Step 6: Final answer
   x = 10,504.69