Finding the Fourth Proportional to 21,601.73, 32,410.94 and 7,563.31

Step by Step Solution

1. Step 1: Write the proportion equation
   21,601.73 : 32,410.94 = 7,563.31 : x
2. Step 2: Convert to fraction form
   21,601.73/32,410.94 = 7,563.31/x
3. Step 3: Cross multiply
   21,601.73x = 32,410.94 × 7,563.31
4. Step 4: Simplify right side
   21,601.73x = 245,133,986.61
5. Step 5: Solve for x
   x = 245,133,986.61/21,601.73
6. Step 6: Final answer
   x = 11,347.89