Finding the Fourth Proportional to 3,959.58, 5,942.25 and 1,770.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,959.58 : 5,942.25 = 1,770.78 : x
2. Step 2: Convert to fraction form
   3,959.58/5,942.25 = 1,770.78/x
3. Step 3: Cross multiply
   3,959.58x = 5,942.25 × 1,770.78
4. Step 4: Simplify right side
   3,959.58x = 10,522,417.46
5. Step 5: Solve for x
   x = 10,522,417.46/3,959.58
6. Step 6: Final answer
   x = 2,657.46