Finding the Fourth Proportional to 21,243.82, 31,845.80 and 7,194.04

Step by Step Solution

1. Step 1: Write the proportion equation
   21,243.82 : 31,845.80 = 7,194.04 : x
2. Step 2: Convert to fraction form
   21,243.82/31,845.80 = 7,194.04/x
3. Step 3: Cross multiply
   21,243.82x = 31,845.80 × 7,194.04
4. Step 4: Simplify right side
   21,243.82x = 229,099,959.03
5. Step 5: Solve for x
   x = 229,099,959.03/21,243.82
6. Step 6: Final answer
   x = 10,784.31