Finding the Fourth Proportional to 11,856.06, 17,784.90 and 3,958.29

Step by Step Solution

1. Step 1: Write the proportion equation
   11,856.06 : 17,784.90 = 3,958.29 : x
2. Step 2: Convert to fraction form
   11,856.06/17,784.90 = 3,958.29/x
3. Step 3: Cross multiply
   11,856.06x = 17,784.90 × 3,958.29
4. Step 4: Simplify right side
   11,856.06x = 70,397,791.82
5. Step 5: Solve for x
   x = 70,397,791.82/11,856.06
6. Step 6: Final answer
   x = 5,937.71