Finding the Fourth Proportional to 8,037.62, 12,061.40 and 3,878.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,037.62 : 12,061.40 = 3,878.05 : x
2. Step 2: Convert to fraction form
   8,037.62/12,061.40 = 3,878.05/x
3. Step 3: Cross multiply
   8,037.62x = 12,061.40 × 3,878.05
4. Step 4: Simplify right side
   8,037.62x = 46,774,712.27
5. Step 5: Solve for x
   x = 46,774,712.27/8,037.62
6. Step 6: Final answer
   x = 5,819.47