Finding the Fourth Proportional to 1,357.94, 2,036.69 and 384.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.94 : 2,036.69 = 384.11 : x
2. Step 2: Convert to fraction form
   1,357.94/2,036.69 = 384.11/x
3. Step 3: Cross multiply
   1,357.94x = 2,036.69 × 384.11
4. Step 4: Simplify right side
   1,357.94x = 782,300.89
5. Step 5: Solve for x
   x = 782,300.89/1,357.94
6. Step 6: Final answer
   x = 576.10