Finding the Fourth Proportional to 11,759.31, 17,641.53 and 3,967.92

Step by Step Solution

1. Step 1: Write the proportion equation
   11,759.31 : 17,641.53 = 3,967.92 : x
2. Step 2: Convert to fraction form
   11,759.31/17,641.53 = 3,967.92/x
3. Step 3: Cross multiply
   11,759.31x = 17,641.53 × 3,967.92
4. Step 4: Simplify right side
   11,759.31x = 70,000,179.72
5. Step 5: Solve for x
   x = 70,000,179.72/11,759.31
6. Step 6: Final answer
   x = 5,952.75