Finding the Fourth Proportional to 1,770.34, 2,650.64 and 1,336.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.34 : 2,650.64 = 1,336.18 : x
2. Step 2: Convert to fraction form
   1,770.34/2,650.64 = 1,336.18/x
3. Step 3: Cross multiply
   1,770.34x = 2,650.64 × 1,336.18
4. Step 4: Simplify right side
   1,770.34x = 3,541,732.16
5. Step 5: Solve for x
   x = 3,541,732.16/1,770.34
6. Step 6: Final answer
   x = 2,000.59