Finding the Fourth Proportional to 1,641.77, 2,453.05 and 1,584.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,641.77 : 2,453.05 = 1,584.37 : x
2. Step 2: Convert to fraction form
   1,641.77/2,453.05 = 1,584.37/x
3. Step 3: Cross multiply
   1,641.77x = 2,453.05 × 1,584.37
4. Step 4: Simplify right side
   1,641.77x = 3,886,538.83
5. Step 5: Solve for x
   x = 3,886,538.83/1,641.77
6. Step 6: Final answer
   x = 2,367.29