Finding the Fourth Proportional to 8,200.01, 12,300.91 and 3,005.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,200.01 : 12,300.91 = 3,005.88 : x
2. Step 2: Convert to fraction form
   8,200.01/12,300.91 = 3,005.88/x
3. Step 3: Cross multiply
   8,200.01x = 12,300.91 × 3,005.88
4. Step 4: Simplify right side
   8,200.01x = 36,975,044.32
5. Step 5: Solve for x
   x = 36,975,044.32/8,200.01
6. Step 6: Final answer
   x = 4,509.15