Finding the Fourth Proportional to 8,320.58, 12,476.17 and 3,384.44

Step by Step Solution

1. Step 1: Write the proportion equation
   8,320.58 : 12,476.17 = 3,384.44 : x
2. Step 2: Convert to fraction form
   8,320.58/12,476.17 = 3,384.44/x
3. Step 3: Cross multiply
   8,320.58x = 12,476.17 × 3,384.44
4. Step 4: Simplify right side
   8,320.58x = 42,224,848.79
5. Step 5: Solve for x
   x = 42,224,848.79/8,320.58
6. Step 6: Final answer
   x = 5,074.75