Finding the Fourth Proportional to 495,061, 683,196.42 and 268,705.96

Step by Step Solution

1. Step 1: Write the proportion equation
   495,061 : 683,196.42 = 268,705.96 : x
2. Step 2: Convert to fraction form
   495,061/683,196.42 = 268,705.96/x
3. Step 3: Cross multiply
   495,061x = 683,196.42 × 268,705.96
4. Step 4: Simplify right side
   495,061x = 183,578,949,904.66
5. Step 5: Solve for x
   x = 183,578,949,904.66/495,061
6. Step 6: Final answer
   x = 370,820.87