Finding the Fourth Proportional to 2,971.05, 4,456.51 and 1,023.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,971.05 : 4,456.51 = 1,023.21 : x
2. Step 2: Convert to fraction form
   2,971.05/4,456.51 = 1,023.21/x
3. Step 3: Cross multiply
   2,971.05x = 4,456.51 × 1,023.21
4. Step 4: Simplify right side
   2,971.05x = 4,559,945.60
5. Step 5: Solve for x
   x = 4,559,945.60/2,971.05
6. Step 6: Final answer
   x = 1,534.79