Finding the Fourth Proportional to 8,164.31, 12,243.49 and 3,484.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,164.31 : 12,243.49 = 3,484.81 : x
2. Step 2: Convert to fraction form
   8,164.31/12,243.49 = 3,484.81/x
3. Step 3: Cross multiply
   8,164.31x = 12,243.49 × 3,484.81
4. Step 4: Simplify right side
   8,164.31x = 42,666,236.39
5. Step 5: Solve for x
   x = 42,666,236.39/8,164.31
6. Step 6: Final answer
   x = 5,225.95