Finding the Fourth Proportional to 21,053.96, 31,559.82 and 7,193.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,053.96 : 31,559.82 = 7,193.48 : x
2. Step 2: Convert to fraction form
   21,053.96/31,559.82 = 7,193.48/x
3. Step 3: Cross multiply
   21,053.96x = 31,559.82 × 7,193.48
4. Step 4: Simplify right side
   21,053.96x = 227,024,933.97
5. Step 5: Solve for x
   x = 227,024,933.97/21,053.96
6. Step 6: Final answer
   x = 10,783.00