Finding the Fourth Proportional to 19,719.43, 29,561.51 and 7,236.56

Step by Step Solution

1. Step 1: Write the proportion equation
   19,719.43 : 29,561.51 = 7,236.56 : x
2. Step 2: Convert to fraction form
   19,719.43/29,561.51 = 7,236.56/x
3. Step 3: Cross multiply
   19,719.43x = 29,561.51 × 7,236.56
4. Step 4: Simplify right side
   19,719.43x = 213,923,456.82
5. Step 5: Solve for x
   x = 213,923,456.82/19,719.43
6. Step 6: Final answer
   x = 10,848.36