Finding the Fourth Proportional to 2,973.60, 4,103.82 and 1,647.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,973.60 : 4,103.82 = 1,647.72 : x
2. Step 2: Convert to fraction form
   2,973.60/4,103.82 = 1,647.72/x
3. Step 3: Cross multiply
   2,973.60x = 4,103.82 × 1,647.72
4. Step 4: Simplify right side
   2,973.60x = 6,761,946.29
5. Step 5: Solve for x
   x = 6,761,946.29/2,973.60
6. Step 6: Final answer
   x = 2,273.99