Finding the Fourth Proportional to 1,870.35, 2,805.25 and 483.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.35 : 2,805.25 = 483.69 : x
2. Step 2: Convert to fraction form
   1,870.35/2,805.25 = 483.69/x
3. Step 3: Cross multiply
   1,870.35x = 2,805.25 × 483.69
4. Step 4: Simplify right side
   1,870.35x = 1,356,871.37
5. Step 5: Solve for x
   x = 1,356,871.37/1,870.35
6. Step 6: Final answer
   x = 725.46