Finding the Fourth Proportional to 8,729.96, 13,106.27 and 5,601.74

Step by Step Solution

1. Step 1: Write the proportion equation
   8,729.96 : 13,106.27 = 5,601.74 : x
2. Step 2: Convert to fraction form
   8,729.96/13,106.27 = 5,601.74/x
3. Step 3: Cross multiply
   8,729.96x = 13,106.27 × 5,601.74
4. Step 4: Simplify right side
   8,729.96x = 73,417,865.38
5. Step 5: Solve for x
   x = 73,417,865.38/8,729.96
6. Step 6: Final answer
   x = 8,409.88