Finding the Fourth Proportional to 492,786.72, 680,046.72 and 266,432.22

Step by Step Solution

1. Step 1: Write the proportion equation
   492,786.72 : 680,046.72 = 266,432.22 : x
2. Step 2: Convert to fraction form
   492,786.72/680,046.72 = 266,432.22/x
3. Step 3: Cross multiply
   492,786.72x = 680,046.72 × 266,432.22
4. Step 4: Simplify right side
   492,786.72x = 181,186,357,313.32
5. Step 5: Solve for x
   x = 181,186,357,313.32/492,786.72
6. Step 6: Final answer
   x = 367,677.03