Finding the Fourth Proportional to 492,405.82, 679,510.56 and 277,541.71

Step by Step Solution

1. Step 1: Write the proportion equation
   492,405.82 : 679,510.56 = 277,541.71 : x
2. Step 2: Convert to fraction form
   492,405.82/679,510.56 = 277,541.71/x
3. Step 3: Cross multiply
   492,405.82x = 679,510.56 × 277,541.71
4. Step 4: Simplify right side
   492,405.82x = 188,592,522,785.46
5. Step 5: Solve for x
   x = 188,592,522,785.46/492,405.82
6. Step 6: Final answer
   x = 383,002.22