Finding the Fourth Proportional to 9,665.93, 14,501.20 and 3,426.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,665.93 : 14,501.20 = 3,426.49 : x
2. Step 2: Convert to fraction form
   9,665.93/14,501.20 = 3,426.49/x
3. Step 3: Cross multiply
   9,665.93x = 14,501.20 × 3,426.49
4. Step 4: Simplify right side
   9,665.93x = 49,688,127.15
5. Step 5: Solve for x
   x = 49,688,127.15/9,665.93
6. Step 6: Final answer
   x = 5,140.55