Finding the Fourth Proportional to 263,484.27, 363,817.89 and 243,333.78

Step by Step Solution

1. Step 1: Write the proportion equation
   263,484.27 : 363,817.89 = 243,333.78 : x
2. Step 2: Convert to fraction form
   263,484.27/363,817.89 = 243,333.78/x
3. Step 3: Cross multiply
   263,484.27x = 363,817.89 × 243,333.78
4. Step 4: Simplify right side
   263,484.27x = 88,529,182,405.32
5. Step 5: Solve for x
   x = 88,529,182,405.32/263,484.27
6. Step 6: Final answer
   x = 335,994.18