Finding the Fourth Proportional to 1,300.33, 1,950.30 and 478.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.33 : 1,950.30 = 478.42 : x
2. Step 2: Convert to fraction form
   1,300.33/1,950.30 = 478.42/x
3. Step 3: Cross multiply
   1,300.33x = 1,950.30 × 478.42
4. Step 4: Simplify right side
   1,300.33x = 933,057.65
5. Step 5: Solve for x
   x = 933,057.65/1,300.33
6. Step 6: Final answer
   x = 717.56