Finding the Fourth Proportional to 8,665.37, 12,993.93 and 4,501.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,665.37 : 12,993.93 = 4,501.20 : x
2. Step 2: Convert to fraction form
   8,665.37/12,993.93 = 4,501.20/x
3. Step 3: Cross multiply
   8,665.37x = 12,993.93 × 4,501.20
4. Step 4: Simplify right side
   8,665.37x = 58,488,277.72
5. Step 5: Solve for x
   x = 58,488,277.72/8,665.37
6. Step 6: Final answer
   x = 6,749.66