Finding the Fourth Proportional to 495,496.77, 743,244.89 and 140,513.73

Step by Step Solution

1. Step 1: Write the proportion equation
   495,496.77 : 743,244.89 = 140,513.73 : x
2. Step 2: Convert to fraction form
   495,496.77/743,244.89 = 140,513.73/x
3. Step 3: Cross multiply
   495,496.77x = 743,244.89 × 140,513.73
4. Step 4: Simplify right side
   495,496.77x = 104,436,111,094.77
5. Step 5: Solve for x
   x = 104,436,111,094.77/495,496.77
6. Step 6: Final answer
   x = 210,770.52