Finding the Fourth Proportional to 8,838.31, 12,196.76 and 4,859.39

Step by Step Solution

1. Step 1: Write the proportion equation
   8,838.31 : 12,196.76 = 4,859.39 : x
2. Step 2: Convert to fraction form
   8,838.31/12,196.76 = 4,859.39/x
3. Step 3: Cross multiply
   8,838.31x = 12,196.76 × 4,859.39
4. Step 4: Simplify right side
   8,838.31x = 59,268,728.30
5. Step 5: Solve for x
   x = 59,268,728.30/8,838.31
6. Step 6: Final answer
   x = 6,705.89