Finding the Fourth Proportional to 9,898.74, 14,846.49 and 3,661.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,898.74 : 14,846.49 = 3,661.67 : x
2. Step 2: Convert to fraction form
   9,898.74/14,846.49 = 3,661.67/x
3. Step 3: Cross multiply
   9,898.74x = 14,846.49 × 3,661.67
4. Step 4: Simplify right side
   9,898.74x = 54,362,984.15
5. Step 5: Solve for x
   x = 54,362,984.15/9,898.74
6. Step 6: Final answer
   x = 5,491.91