Finding the Fourth Proportional to 1,663.52, 2,492.93 and 923.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663.52 : 2,492.93 = 923.46 : x
2. Step 2: Convert to fraction form
   1,663.52/2,492.93 = 923.46/x
3. Step 3: Cross multiply
   1,663.52x = 2,492.93 × 923.46
4. Step 4: Simplify right side
   1,663.52x = 2,302,123.45
5. Step 5: Solve for x
   x = 2,302,123.45/1,663.52
6. Step 6: Final answer
   x = 1,383.88