Finding the Fourth Proportional to 2,947.59, 4,411.67 and 1,629.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,947.59 : 4,411.67 = 1,629.32 : x
2. Step 2: Convert to fraction form
   2,947.59/4,411.67 = 1,629.32/x
3. Step 3: Cross multiply
   2,947.59x = 4,411.67 × 1,629.32
4. Step 4: Simplify right side
   2,947.59x = 7,187,991.96
5. Step 5: Solve for x
   x = 7,187,991.96/2,947.59
6. Step 6: Final answer
   x = 2,438.60