Finding the Fourth Proportional to 1,870.29, 2,805.24 and 483.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.29 : 2,805.24 = 483.59 : x
2. Step 2: Convert to fraction form
   1,870.29/2,805.24 = 483.59/x
3. Step 3: Cross multiply
   1,870.29x = 2,805.24 × 483.59
4. Step 4: Simplify right side
   1,870.29x = 1,356,571.99
5. Step 5: Solve for x
   x = 1,356,571.99/1,870.29
6. Step 6: Final answer
   x = 725.33