Finding the Fourth Proportional to 492,849.54, 680,131.89 and 266,494.50

Step by Step Solution

1. Step 1: Write the proportion equation
   492,849.54 : 680,131.89 = 266,494.50 : x
2. Step 2: Convert to fraction form
   492,849.54/680,131.89 = 266,494.50/x
3. Step 3: Cross multiply
   492,849.54x = 680,131.89 × 266,494.50
4. Step 4: Simplify right side
   492,849.54x = 181,251,407,959.61
5. Step 5: Solve for x
   x = 181,251,407,959.61/492,849.54
6. Step 6: Final answer
   x = 367,762.15