Finding the Fourth Proportional to 1,300.41, 1,950.53 and 478.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.41 : 1,950.53 = 478.53 : x
2. Step 2: Convert to fraction form
   1,300.41/1,950.53 = 478.53/x
3. Step 3: Cross multiply
   1,300.41x = 1,950.53 × 478.53
4. Step 4: Simplify right side
   1,300.41x = 933,384.73
5. Step 5: Solve for x
   x = 933,384.73/1,300.41
6. Step 6: Final answer
   x = 717.76