Finding the Fourth Proportional to 8,200.21, 12,300.50 and 2,935.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,200.21 : 12,300.50 = 2,935.58 : x
2. Step 2: Convert to fraction form
   8,200.21/12,300.50 = 2,935.58/x
3. Step 3: Cross multiply
   8,200.21x = 12,300.50 × 2,935.58
4. Step 4: Simplify right side
   8,200.21x = 36,109,109.13
5. Step 5: Solve for x
   x = 36,109,109.13/8,200.21
6. Step 6: Final answer
   x = 4,403.44