Finding the Fourth Proportional to 8,947.33, 13,424.79 and 4,786.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,947.33 : 13,424.79 = 4,786.25 : x
2. Step 2: Convert to fraction form
   8,947.33/13,424.79 = 4,786.25/x
3. Step 3: Cross multiply
   8,947.33x = 13,424.79 × 4,786.25
4. Step 4: Simplify right side
   8,947.33x = 64,254,401.14
5. Step 5: Solve for x
   x = 64,254,401.14/8,947.33
6. Step 6: Final answer
   x = 7,181.40