Finding the Fourth Proportional to 493,015.82, 680,361.86 and 266,661.32

Step by Step Solution

1. Step 1: Write the proportion equation
   493,015.82 : 680,361.86 = 266,661.32 : x
2. Step 2: Convert to fraction form
   493,015.82/680,361.86 = 266,661.32/x
3. Step 3: Cross multiply
   493,015.82x = 680,361.86 × 266,661.32
4. Step 4: Simplify right side
   493,015.82x = 181,426,188,930.10
5. Step 5: Solve for x
   x = 181,426,188,930.10/493,015.82
6. Step 6: Final answer
   x = 367,992.64