Finding the Fourth Proportional to 9,898.57, 14,849.52 and 3,658.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,898.57 : 14,849.52 = 3,658.60 : x
2. Step 2: Convert to fraction form
   9,898.57/14,849.52 = 3,658.60/x
3. Step 3: Cross multiply
   9,898.57x = 14,849.52 × 3,658.60
4. Step 4: Simplify right side
   9,898.57x = 54,328,453.87
5. Step 5: Solve for x
   x = 54,328,453.87/9,898.57
6. Step 6: Final answer
   x = 5,488.52