Finding the Fourth Proportional to 1,770.78, 2,654.18 and 729.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.78 : 2,654.18 = 729.52 : x
2. Step 2: Convert to fraction form
   1,770.78/2,654.18 = 729.52/x
3. Step 3: Cross multiply
   1,770.78x = 2,654.18 × 729.52
4. Step 4: Simplify right side
   1,770.78x = 1,936,288.88
5. Step 5: Solve for x
   x = 1,936,288.88/1,770.78
6. Step 6: Final answer
   x = 1,093.47