Finding the Fourth Proportional to 8,308.58, 12,465.23 and 3,381.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,308.58 : 12,465.23 = 3,381.76 : x
2. Step 2: Convert to fraction form
   8,308.58/12,465.23 = 3,381.76/x
3. Step 3: Cross multiply
   8,308.58x = 12,465.23 × 3,381.76
4. Step 4: Simplify right side
   8,308.58x = 42,154,380.81
5. Step 5: Solve for x
   x = 42,154,380.81/8,308.58
6. Step 6: Final answer
   x = 5,073.59