Finding the Fourth Proportional to 8,231.59, 12,347.78 and 2,684.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,231.59 : 12,347.78 = 2,684.93 : x
2. Step 2: Convert to fraction form
   8,231.59/12,347.78 = 2,684.93/x
3. Step 3: Cross multiply
   8,231.59x = 12,347.78 × 2,684.93
4. Step 4: Simplify right side
   8,231.59x = 33,152,924.96
5. Step 5: Solve for x
   x = 33,152,924.96/8,231.59
6. Step 6: Final answer
   x = 4,027.52