Finding the Fourth Proportional to 9,722.21, 14,597.89 and 5,566.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,722.21 : 14,597.89 = 5,566.91 : x
2. Step 2: Convert to fraction form
   9,722.21/14,597.89 = 5,566.91/x
3. Step 3: Cross multiply
   9,722.21x = 14,597.89 × 5,566.91
4. Step 4: Simplify right side
   9,722.21x = 81,265,052.91
5. Step 5: Solve for x
   x = 81,265,052.91/9,722.21
6. Step 6: Final answer
   x = 8,358.71