Finding the Fourth Proportional to 2,384.06, 3,577.42 and 923.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.06 : 3,577.42 = 923.30 : x
2. Step 2: Convert to fraction form
   2,384.06/3,577.42 = 923.30/x
3. Step 3: Cross multiply
   2,384.06x = 3,577.42 × 923.30
4. Step 4: Simplify right side
   2,384.06x = 3,303,031.89
5. Step 5: Solve for x
   x = 3,303,031.89/2,384.06
6. Step 6: Final answer
   x = 1,385.47