Finding the Fourth Proportional to 8,061.12, 11,122.92 and 4,918.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.12 : 11,122.92 = 4,918.32 : x
2. Step 2: Convert to fraction form
   8,061.12/11,122.92 = 4,918.32/x
3. Step 3: Cross multiply
   8,061.12x = 11,122.92 × 4,918.32
4. Step 4: Simplify right side
   8,061.12x = 54,706,079.89
5. Step 5: Solve for x
   x = 54,706,079.89/8,061.12
6. Step 6: Final answer
   x = 6,786.41