Finding the Fourth Proportional to 8,172.08, 12,259.34 and 3,789.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,172.08 : 12,259.34 = 3,789.98 : x
2. Step 2: Convert to fraction form
   8,172.08/12,259.34 = 3,789.98/x
3. Step 3: Cross multiply
   8,172.08x = 12,259.34 × 3,789.98
4. Step 4: Simplify right side
   8,172.08x = 46,462,653.41
5. Step 5: Solve for x
   x = 46,462,653.41/8,172.08
6. Step 6: Final answer
   x = 5,685.54