Finding the Fourth Proportional to 2,971.69, 4,100.73 and 1,645.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,971.69 : 4,100.73 = 1,645.52 : x
2. Step 2: Convert to fraction form
   2,971.69/4,100.73 = 1,645.52/x
3. Step 3: Cross multiply
   2,971.69x = 4,100.73 × 1,645.52
4. Step 4: Simplify right side
   2,971.69x = 6,747,806.56
5. Step 5: Solve for x
   x = 6,747,806.56/2,971.69
6. Step 6: Final answer
   x = 2,270.70