Finding the Fourth Proportional to 1,899.72, 2,847.56 and 729.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,899.72 : 2,847.56 = 729.41 : x
2. Step 2: Convert to fraction form
   1,899.72/2,847.56 = 729.41/x
3. Step 3: Cross multiply
   1,899.72x = 2,847.56 × 729.41
4. Step 4: Simplify right side
   1,899.72x = 2,077,020.85
5. Step 5: Solve for x
   x = 2,077,020.85/1,899.72
6. Step 6: Final answer
   x = 1,093.33