Finding the Fourth Proportional to 492,896.28, 680,196.92 and 266,541.78

Step by Step Solution

1. Step 1: Write the proportion equation
   492,896.28 : 680,196.92 = 266,541.78 : x
2. Step 2: Convert to fraction form
   492,896.28/680,196.92 = 266,541.78/x
3. Step 3: Cross multiply
   492,896.28x = 680,196.92 × 266,541.78
4. Step 4: Simplify right side
   492,896.28x = 181,300,897,807.32
5. Step 5: Solve for x
   x = 181,300,897,807.32/492,896.28
6. Step 6: Final answer
   x = 367,827.69