Finding the Fourth Proportional to 1,550.71, 2,327.61 and 729.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.71 : 2,327.61 = 729.56 : x
2. Step 2: Convert to fraction form
   1,550.71/2,327.61 = 729.56/x
3. Step 3: Cross multiply
   1,550.71x = 2,327.61 × 729.56
4. Step 4: Simplify right side
   1,550.71x = 1,698,135.60
5. Step 5: Solve for x
   x = 1,698,135.60/1,550.71
6. Step 6: Final answer
   x = 1,095.07