Finding the Fourth Proportional to 8,889.94, 12,267.75 and 5,112.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,889.94 : 12,267.75 = 5,112.82 : x
2. Step 2: Convert to fraction form
   8,889.94/12,267.75 = 5,112.82/x
3. Step 3: Cross multiply
   8,889.94x = 12,267.75 × 5,112.82
4. Step 4: Simplify right side
   8,889.94x = 62,722,797.56
5. Step 5: Solve for x
   x = 62,722,797.56/8,889.94
6. Step 6: Final answer
   x = 7,055.48