Finding the Fourth Proportional to 8,117.37, 12,164.76 and 4,556.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,117.37 : 12,164.76 = 4,556.34 : x
2. Step 2: Convert to fraction form
   8,117.37/12,164.76 = 4,556.34/x
3. Step 3: Cross multiply
   8,117.37x = 12,164.76 × 4,556.34
4. Step 4: Simplify right side
   8,117.37x = 55,426,782.58
5. Step 5: Solve for x
   x = 55,426,782.58/8,117.37
6. Step 6: Final answer
   x = 6,828.17