Finding the Fourth Proportional to 1,747.38, 2,619.45 and 1,384.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,747.38 : 2,619.45 = 1,384.50 : x
2. Step 2: Convert to fraction form
   1,747.38/2,619.45 = 1,384.50/x
3. Step 3: Cross multiply
   1,747.38x = 2,619.45 × 1,384.50
4. Step 4: Simplify right side
   1,747.38x = 3,626,628.53
5. Step 5: Solve for x
   x = 3,626,628.53/1,747.38
6. Step 6: Final answer
   x = 2,075.47