Finding the Fourth Proportional to 3,164.67, 4,747.71 and 1,475.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,164.67 : 4,747.71 = 1,475.21 : x
2. Step 2: Convert to fraction form
   3,164.67/4,747.71 = 1,475.21/x
3. Step 3: Cross multiply
   3,164.67x = 4,747.71 × 1,475.21
4. Step 4: Simplify right side
   3,164.67x = 7,003,869.27
5. Step 5: Solve for x
   x = 7,003,869.27/3,164.67
6. Step 6: Final answer
   x = 2,213.14