Finding the Fourth Proportional to 11,759.31, 16,228.72 and 6,723.74

Step by Step Solution

1. Step 1: Write the proportion equation
   11,759.31 : 16,228.72 = 6,723.74 : x
2. Step 2: Convert to fraction form
   11,759.31/16,228.72 = 6,723.74/x
3. Step 3: Cross multiply
   11,759.31x = 16,228.72 × 6,723.74
4. Step 4: Simplify right side
   11,759.31x = 109,117,693.81
5. Step 5: Solve for x
   x = 109,117,693.81/11,759.31
6. Step 6: Final answer
   x = 9,279.26