Finding the Fourth Proportional to 3,215.31, 4,822.91 and 1,024.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,215.31 : 4,822.91 = 1,024.01 : x
2. Step 2: Convert to fraction form
   3,215.31/4,822.91 = 1,024.01/x
3. Step 3: Cross multiply
   3,215.31x = 4,822.91 × 1,024.01
4. Step 4: Simplify right side
   3,215.31x = 4,938,700.76
5. Step 5: Solve for x
   x = 4,938,700.76/3,215.31
6. Step 6: Final answer
   x = 1,535.99