Finding the Fourth Proportional to 1,770.03, 2,441.61 and 1,105.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.03 : 2,441.61 = 1,105.74 : x
2. Step 2: Convert to fraction form
   1,770.03/2,441.61 = 1,105.74/x
3. Step 3: Cross multiply
   1,770.03x = 2,441.61 × 1,105.74
4. Step 4: Simplify right side
   1,770.03x = 2,699,785.84
5. Step 5: Solve for x
   x = 2,699,785.84/1,770.03
6. Step 6: Final answer
   x = 1,525.28