Finding the Fourth Proportional to 7,973.47, 12,013.41 and 7,223.92

Step by Step Solution

1. Step 1: Write the proportion equation
   7,973.47 : 12,013.41 = 7,223.92 : x
2. Step 2: Convert to fraction form
   7,973.47/12,013.41 = 7,223.92/x
3. Step 3: Cross multiply
   7,973.47x = 12,013.41 × 7,223.92
4. Step 4: Simplify right side
   7,973.47x = 86,783,816.58
5. Step 5: Solve for x
   x = 86,783,816.58/7,973.47
6. Step 6: Final answer
   x = 10,884.07