Finding the Fourth Proportional to 1,622.72, 2,433.72 and 973.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,622.72 : 2,433.72 = 973.28 : x
2. Step 2: Convert to fraction form
   1,622.72/2,433.72 = 973.28/x
3. Step 3: Cross multiply
   1,622.72x = 2,433.72 × 973.28
4. Step 4: Simplify right side
   1,622.72x = 2,368,691.00
5. Step 5: Solve for x
   x = 2,368,691.00/1,622.72
6. Step 6: Final answer
   x = 1,459.70