Finding the Fourth Proportional to 8,061.12, 12,092.64 and 4,939.68

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.12 : 12,092.64 = 4,939.68 : x
2. Step 2: Convert to fraction form
   8,061.12/12,092.64 = 4,939.68/x
3. Step 3: Cross multiply
   8,061.12x = 12,092.64 × 4,939.68
4. Step 4: Simplify right side
   8,061.12x = 59,733,771.96
5. Step 5: Solve for x
   x = 59,733,771.96/8,061.12
6. Step 6: Final answer
   x = 7,410.11