Finding the Fourth Proportional to 1,770.89, 2,655.61 and 730.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.89 : 2,655.61 = 730.35 : x
2. Step 2: Convert to fraction form
   1,770.89/2,655.61 = 730.35/x
3. Step 3: Cross multiply
   1,770.89x = 2,655.61 × 730.35
4. Step 4: Simplify right side
   1,770.89x = 1,939,522.94
5. Step 5: Solve for x
   x = 1,939,522.94/1,770.89
6. Step 6: Final answer
   x = 1,095.23