Finding the Fourth Proportional to 1,631.21, 2,433.89 and 1,475.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631.21 : 2,433.89 = 1,475.69 : x
2. Step 2: Convert to fraction form
   1,631.21/2,433.89 = 1,475.69/x
3. Step 3: Cross multiply
   1,631.21x = 2,433.89 × 1,475.69
4. Step 4: Simplify right side
   1,631.21x = 3,591,658.65
5. Step 5: Solve for x
   x = 3,591,658.65/1,631.21
6. Step 6: Final answer
   x = 2,201.84