Finding the Fourth Proportional to 2,384.51, 3,577.37 and 923.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.51 : 3,577.37 = 923.76 : x
2. Step 2: Convert to fraction form
   2,384.51/3,577.37 = 923.76/x
3. Step 3: Cross multiply
   2,384.51x = 3,577.37 × 923.76
4. Step 4: Simplify right side
   2,384.51x = 3,304,626.69
5. Step 5: Solve for x
   x = 3,304,626.69/2,384.51
6. Step 6: Final answer
   x = 1,385.88