Finding the Fourth Proportional to 8,499.74, 11,729.00 and 4,722.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499.74 : 11,729.00 = 4,722.59 : x
2. Step 2: Convert to fraction form
   8,499.74/11,729.00 = 4,722.59/x
3. Step 3: Cross multiply
   8,499.74x = 11,729.00 × 4,722.59
4. Step 4: Simplify right side
   8,499.74x = 55,391,175.85
5. Step 5: Solve for x
   x = 55,391,175.85/8,499.74
6. Step 6: Final answer
   x = 6,516.81