Finding the Fourth Proportional to 1,654.42, 2,481.72 and 923.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,654.42 : 2,481.72 = 923.46 : x
2. Step 2: Convert to fraction form
   1,654.42/2,481.72 = 923.46/x
3. Step 3: Cross multiply
   1,654.42x = 2,481.72 × 923.46
4. Step 4: Simplify right side
   1,654.42x = 2,291,769.15
5. Step 5: Solve for x
   x = 2,291,769.15/1,654.42
6. Step 6: Final answer
   x = 1,385.24