Finding the Fourth Proportional to 3,856.73, 5,778.72 and 3,038.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856.73 : 5,778.72 = 3,038.63 : x
2. Step 2: Convert to fraction form
   3,856.73/5,778.72 = 3,038.63/x
3. Step 3: Cross multiply
   3,856.73x = 5,778.72 × 3,038.63
4. Step 4: Simplify right side
   3,856.73x = 17,559,363.06
5. Step 5: Solve for x
   x = 17,559,363.06/3,856.73
6. Step 6: Final answer
   x = 4,552.92