Finding the Fourth Proportional to 19,386.72, 29,061.60 and 6,229.86

Step by Step Solution

1. Step 1: Write the proportion equation
   19,386.72 : 29,061.60 = 6,229.86 : x
2. Step 2: Convert to fraction form
   19,386.72/29,061.60 = 6,229.86/x
3. Step 3: Cross multiply
   19,386.72x = 29,061.60 × 6,229.86
4. Step 4: Simplify right side
   19,386.72x = 181,049,699.38
5. Step 5: Solve for x
   x = 181,049,699.38/19,386.72
6. Step 6: Final answer
   x = 9,338.85