Finding the Fourth Proportional to 21,783.49, 32,672.63 and 5,990.12

Step by Step Solution

1. Step 1: Write the proportion equation
   21,783.49 : 32,672.63 = 5,990.12 : x
2. Step 2: Convert to fraction form
   21,783.49/32,672.63 = 5,990.12/x
3. Step 3: Cross multiply
   21,783.49x = 32,672.63 × 5,990.12
4. Step 4: Simplify right side
   21,783.49x = 195,712,974.42
5. Step 5: Solve for x
   x = 195,712,974.42/21,783.49
6. Step 6: Final answer
   x = 8,984.47