Finding the Fourth Proportional to 6,616.42, 9,130.76 and 3,632.21

Step by Step Solution

1. Step 1: Write the proportion equation
   6,616.42 : 9,130.76 = 3,632.21 : x
2. Step 2: Convert to fraction form
   6,616.42/9,130.76 = 3,632.21/x
3. Step 3: Cross multiply
   6,616.42x = 9,130.76 × 3,632.21
4. Step 4: Simplify right side
   6,616.42x = 33,164,821.83
5. Step 5: Solve for x
   x = 33,164,821.83/6,616.42
6. Step 6: Final answer
   x = 5,012.50