Finding the Fourth Proportional to 1,064.84, 1,596.72 and 487.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.84 : 1,596.72 = 487.22 : x
2. Step 2: Convert to fraction form
   1,064.84/1,596.72 = 487.22/x
3. Step 3: Cross multiply
   1,064.84x = 1,596.72 × 487.22
4. Step 4: Simplify right side
   1,064.84x = 777,951.01
5. Step 5: Solve for x
   x = 777,951.01/1,064.84
6. Step 6: Final answer
   x = 730.58