Finding the Fourth Proportional to 3,674.16, 5,510.52 and 1,077.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,674.16 : 5,510.52 = 1,077.12 : x
2. Step 2: Convert to fraction form
   3,674.16/5,510.52 = 1,077.12/x
3. Step 3: Cross multiply
   3,674.16x = 5,510.52 × 1,077.12
4. Step 4: Simplify right side
   3,674.16x = 5,935,491.30
5. Step 5: Solve for x
   x = 5,935,491.30/3,674.16
6. Step 6: Final answer
   x = 1,615.47