Finding the Fourth Proportional to 8,730.72, 13,099.55 and 3,184.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,730.72 : 13,099.55 = 3,184.43 : x
2. Step 2: Convert to fraction form
   8,730.72/13,099.55 = 3,184.43/x
3. Step 3: Cross multiply
   8,730.72x = 13,099.55 × 3,184.43
4. Step 4: Simplify right side
   8,730.72x = 41,714,518.59
5. Step 5: Solve for x
   x = 41,714,518.59/8,730.72
6. Step 6: Final answer
   x = 4,777.90