Finding the Fourth Proportional to 3,448.91, 5,174.17 and 983.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,448.91 : 5,174.17 = 983.76 : x
2. Step 2: Convert to fraction form
   3,448.91/5,174.17 = 983.76/x
3. Step 3: Cross multiply
   3,448.91x = 5,174.17 × 983.76
4. Step 4: Simplify right side
   3,448.91x = 5,090,151.96
5. Step 5: Solve for x
   x = 5,090,151.96/3,448.91
6. Step 6: Final answer
   x = 1,475.87