Finding the Fourth Proportional to 1,883.56, 2,826.66 and 729.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,883.56 : 2,826.66 = 729.28 : x
2. Step 2: Convert to fraction form
   1,883.56/2,826.66 = 729.28/x
3. Step 3: Cross multiply
   1,883.56x = 2,826.66 × 729.28
4. Step 4: Simplify right side
   1,883.56x = 2,061,426.60
5. Step 5: Solve for x
   x = 2,061,426.60/1,883.56
6. Step 6: Final answer
   x = 1,094.43