Finding the Fourth Proportional to 3,674.70, 5,510.16 and 1,077.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,674.70 : 5,510.16 = 1,077.30 : x
2. Step 2: Convert to fraction form
   3,674.70/5,510.16 = 1,077.30/x
3. Step 3: Cross multiply
   3,674.70x = 5,510.16 × 1,077.30
4. Step 4: Simplify right side
   3,674.70x = 5,936,095.37
5. Step 5: Solve for x
   x = 5,936,095.37/3,674.70
6. Step 6: Final answer
   x = 1,615.40