Finding the Fourth Proportional to 3,321.72, 4,983.12 and 1,130.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,321.72 : 4,983.12 = 1,130.22 : x
2. Step 2: Convert to fraction form
   3,321.72/4,983.12 = 1,130.22/x
3. Step 3: Cross multiply
   3,321.72x = 4,983.12 × 1,130.22
4. Step 4: Simplify right side
   3,321.72x = 5,632,021.89
5. Step 5: Solve for x
   x = 5,632,021.89/3,321.72
6. Step 6: Final answer
   x = 1,695.51