Finding the Fourth Proportional to 2,655.05, 3,982.52 and 923.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,655.05 : 3,982.52 = 923.63 : x
2. Step 2: Convert to fraction form
   2,655.05/3,982.52 = 923.63/x
3. Step 3: Cross multiply
   2,655.05x = 3,982.52 × 923.63
4. Step 4: Simplify right side
   2,655.05x = 3,678,357.34
5. Step 5: Solve for x
   x = 3,678,357.34/2,655.05
6. Step 6: Final answer
   x = 1,385.42