Finding the Fourth Proportional to 2,946.82, 4,421.03 and 972.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,946.82 : 4,421.03 = 972.82 : x
2. Step 2: Convert to fraction form
   2,946.82/4,421.03 = 972.82/x
3. Step 3: Cross multiply
   2,946.82x = 4,421.03 × 972.82
4. Step 4: Simplify right side
   2,946.82x = 4,300,866.40
5. Step 5: Solve for x
   x = 4,300,866.40/2,946.82
6. Step 6: Final answer
   x = 1,459.49