Finding the Fourth Proportional to 2,144.16, 3,215.63 and 973.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.16 : 3,215.63 = 973.50 : x
2. Step 2: Convert to fraction form
   2,144.16/3,215.63 = 973.50/x
3. Step 3: Cross multiply
   2,144.16x = 3,215.63 × 973.50
4. Step 4: Simplify right side
   2,144.16x = 3,130,410.94
5. Step 5: Solve for x
   x = 3,130,410.94/2,144.16
6. Step 6: Final answer
   x = 1,459.97