Finding the Fourth Proportional to 11,756.18, 17,635.30 and 3,856.33

Step by Step Solution

1. Step 1: Write the proportion equation
   11,756.18 : 17,635.30 = 3,856.33 : x
2. Step 2: Convert to fraction form
   11,756.18/17,635.30 = 3,856.33/x
3. Step 3: Cross multiply
   11,756.18x = 17,635.30 × 3,856.33
4. Step 4: Simplify right side
   11,756.18x = 68,007,563.31
5. Step 5: Solve for x
   x = 68,007,563.31/11,756.18
6. Step 6: Final answer
   x = 5,784.83