Finding the Fourth Proportional to 1,300.55, 1,950.78 and 376.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.55 : 1,950.78 = 376.12 : x
2. Step 2: Convert to fraction form
   1,300.55/1,950.78 = 376.12/x
3. Step 3: Cross multiply
   1,300.55x = 1,950.78 × 376.12
4. Step 4: Simplify right side
   1,300.55x = 733,727.37
5. Step 5: Solve for x
   x = 733,727.37/1,300.55
6. Step 6: Final answer
   x = 564.17