Finding the Fourth Proportional to 495,016.58, 683,123.16 and 268,662.08

Step by Step Solution

1. Step 1: Write the proportion equation
   495,016.58 : 683,123.16 = 268,662.08 : x
2. Step 2: Convert to fraction form
   495,016.58/683,123.16 = 268,662.08/x
3. Step 3: Cross multiply
   495,016.58x = 683,123.16 × 268,662.08
4. Step 4: Simplify right side
   495,016.58x = 183,529,289,061.77
5. Step 5: Solve for x
   x = 183,529,289,061.77/495,016.58
6. Step 6: Final answer
   x = 370,753.82