Finding the Fourth Proportional to 1,384.25, 2,075.30 and 944.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384.25 : 2,075.30 = 944.42 : x
2. Step 2: Convert to fraction form
   1,384.25/2,075.30 = 944.42/x
3. Step 3: Cross multiply
   1,384.25x = 2,075.30 × 944.42
4. Step 4: Simplify right side
   1,384.25x = 1,959,939.73
5. Step 5: Solve for x
   x = 1,959,939.73/1,384.25
6. Step 6: Final answer
   x = 1,415.89