Finding the Fourth Proportional to 11,290.77, 16,938.72 and 3,895.35

Step by Step Solution

1. Step 1: Write the proportion equation
   11,290.77 : 16,938.72 = 3,895.35 : x
2. Step 2: Convert to fraction form
   11,290.77/16,938.72 = 3,895.35/x
3. Step 3: Cross multiply
   11,290.77x = 16,938.72 × 3,895.35
4. Step 4: Simplify right side
   11,290.77x = 65,982,242.95
5. Step 5: Solve for x
   x = 65,982,242.95/11,290.77
6. Step 6: Final answer
   x = 5,843.91