Finding the Fourth Proportional to 6,506.61, 8,979.12 and 3,522.47

Step by Step Solution

1. Step 1: Write the proportion equation
   6,506.61 : 8,979.12 = 3,522.47 : x
2. Step 2: Convert to fraction form
   6,506.61/8,979.12 = 3,522.47/x
3. Step 3: Cross multiply
   6,506.61x = 8,979.12 × 3,522.47
4. Step 4: Simplify right side
   6,506.61x = 31,628,622.72
5. Step 5: Solve for x
   x = 31,628,622.72/6,506.61
6. Step 6: Final answer
   x = 4,861.00