Finding the Fourth Proportional to 12,007.01, 16,570.58 and 6,630.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,007.01 : 16,570.58 = 6,630.47 : x
2. Step 2: Convert to fraction form
   12,007.01/16,570.58 = 6,630.47/x
3. Step 3: Cross multiply
   12,007.01x = 16,570.58 × 6,630.47
4. Step 4: Simplify right side
   12,007.01x = 109,870,675.57
5. Step 5: Solve for x
   x = 109,870,675.57/12,007.01
6. Step 6: Final answer
   x = 9,150.55