Finding the Fourth Proportional to 8,300.43, 12,452.86 and 3,620.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300.43 : 12,452.86 = 3,620.82 : x
2. Step 2: Convert to fraction form
   8,300.43/12,452.86 = 3,620.82/x
3. Step 3: Cross multiply
   8,300.43x = 12,452.86 × 3,620.82
4. Step 4: Simplify right side
   8,300.43x = 45,089,564.55
5. Step 5: Solve for x
   x = 45,089,564.55/8,300.43
6. Step 6: Final answer
   x = 5,432.20