Finding the Fourth Proportional to 263,753.82, 363,969.72 and 154,843.38

Step by Step Solution

1. Step 1: Write the proportion equation
   263,753.82 : 363,969.72 = 154,843.38 : x
2. Step 2: Convert to fraction form
   263,753.82/363,969.72 = 154,843.38/x
3. Step 3: Cross multiply
   263,753.82x = 363,969.72 × 154,843.38
4. Step 4: Simplify right side
   263,753.82x = 56,358,301,662.45
5. Step 5: Solve for x
   x = 56,358,301,662.45/263,753.82
6. Step 6: Final answer
   x = 213,677.67