Finding the Fourth Proportional to 2,034.72, 3,052.30 and 647.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.72 : 3,052.30 = 647.73 : x
2. Step 2: Convert to fraction form
   2,034.72/3,052.30 = 647.73/x
3. Step 3: Cross multiply
   2,034.72x = 3,052.30 × 647.73
4. Step 4: Simplify right side
   2,034.72x = 1,977,063.34
5. Step 5: Solve for x
   x = 1,977,063.34/2,034.72
6. Step 6: Final answer
   x = 971.66