Finding the Fourth Proportional to 1,384.77, 1,919.23 and 1,358.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384.77 : 1,919.23 = 1,358.85 : x
2. Step 2: Convert to fraction form
   1,384.77/1,919.23 = 1,358.85/x
3. Step 3: Cross multiply
   1,384.77x = 1,919.23 × 1,358.85
4. Step 4: Simplify right side
   1,384.77x = 2,607,945.69
5. Step 5: Solve for x
   x = 2,607,945.69/1,384.77
6. Step 6: Final answer
   x = 1,883.31