Finding the Fourth Proportional to 21,983.98, 32,980.07 and 7,193.71

Step by Step Solution

1. Step 1: Write the proportion equation
   21,983.98 : 32,980.07 = 7,193.71 : x
2. Step 2: Convert to fraction form
   21,983.98/32,980.07 = 7,193.71/x
3. Step 3: Cross multiply
   21,983.98x = 32,980.07 × 7,193.71
4. Step 4: Simplify right side
   21,983.98x = 237,249,128.69
5. Step 5: Solve for x
   x = 237,249,128.69/21,983.98
6. Step 6: Final answer
   x = 10,791.91