Finding the Fourth Proportional to 30,329.34, 41,828.31 and 19,715.10

Step by Step Solution

1. Step 1: Write the proportion equation
   30,329.34 : 41,828.31 = 19,715.10 : x
2. Step 2: Convert to fraction form
   30,329.34/41,828.31 = 19,715.10/x
3. Step 3: Cross multiply
   30,329.34x = 41,828.31 × 19,715.10
4. Step 4: Simplify right side
   30,329.34x = 824,649,314.48
5. Step 5: Solve for x
   x = 824,649,314.48/30,329.34
6. Step 6: Final answer
   x = 27,189.82