Finding the Fourth Proportional to 19,644.86, 29,456.82 and 10,262.18

Step by Step Solution

1. Step 1: Write the proportion equation
   19,644.86 : 29,456.82 = 10,262.18 : x
2. Step 2: Convert to fraction form
   19,644.86/29,456.82 = 10,262.18/x
3. Step 3: Cross multiply
   19,644.86x = 29,456.82 × 10,262.18
4. Step 4: Simplify right side
   19,644.86x = 302,291,041.78
5. Step 5: Solve for x
   x = 302,291,041.78/19,644.86
6. Step 6: Final answer
   x = 15,387.80