Finding the Fourth Proportional to 8,384.10, 12,556.86 and 4,865.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,384.10 : 12,556.86 = 4,865.34 : x
2. Step 2: Convert to fraction form
   8,384.10/12,556.86 = 4,865.34/x
3. Step 3: Cross multiply
   8,384.10x = 12,556.86 × 4,865.34
4. Step 4: Simplify right side
   8,384.10x = 61,093,393.23
5. Step 5: Solve for x
   x = 61,093,393.23/8,384.10
6. Step 6: Final answer
   x = 7,286.82