Finding the Fourth Proportional to 2,384.83, 3,576.79 and 923.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.83 : 3,576.79 = 923.64 : x
2. Step 2: Convert to fraction form
   2,384.83/3,576.79 = 923.64/x
3. Step 3: Cross multiply
   2,384.83x = 3,576.79 × 923.64
4. Step 4: Simplify right side
   2,384.83x = 3,303,666.32
5. Step 5: Solve for x
   x = 3,303,666.32/2,384.83
6. Step 6: Final answer
   x = 1,385.28