Finding the Fourth Proportional to 2,146.46, 3,219.42 and 975.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.46 : 3,219.42 = 975.23 : x
2. Step 2: Convert to fraction form
   2,146.46/3,219.42 = 975.23/x
3. Step 3: Cross multiply
   2,146.46x = 3,219.42 × 975.23
4. Step 4: Simplify right side
   2,146.46x = 3,139,658.87
5. Step 5: Solve for x
   x = 3,139,658.87/2,146.46
6. Step 6: Final answer
   x = 1,462.72