Finding the Fourth Proportional to 8,955.18, 12,357.81 and 4,976.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,955.18 : 12,357.81 = 4,976.10 : x
2. Step 2: Convert to fraction form
   8,955.18/12,357.81 = 4,976.10/x
3. Step 3: Cross multiply
   8,955.18x = 12,357.81 × 4,976.10
4. Step 4: Simplify right side
   8,955.18x = 61,493,698.34
5. Step 5: Solve for x
   x = 61,493,698.34/8,955.18
6. Step 6: Final answer
   x = 6,866.83