Finding the Fourth Proportional to 8,741.86, 12,061.92 and 5,206.21

Step by Step Solution

1. Step 1: Write the proportion equation
   8,741.86 : 12,061.92 = 5,206.21 : x
2. Step 2: Convert to fraction form
   8,741.86/12,061.92 = 5,206.21/x
3. Step 3: Cross multiply
   8,741.86x = 12,061.92 × 5,206.21
4. Step 4: Simplify right side
   8,741.86x = 62,796,888.52
5. Step 5: Solve for x
   x = 62,796,888.52/8,741.86
6. Step 6: Final answer
   x = 7,183.47