Finding the Fourth Proportional to 21,984.82, 32,984.29 and 7,190.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,984.82 : 32,984.29 = 7,190.37 : x
2. Step 2: Convert to fraction form
   21,984.82/32,984.29 = 7,190.37/x
3. Step 3: Cross multiply
   21,984.82x = 32,984.29 × 7,190.37
4. Step 4: Simplify right side
   21,984.82x = 237,169,231.31
5. Step 5: Solve for x
   x = 237,169,231.31/21,984.82
6. Step 6: Final answer
   x = 10,787.86