Finding the Fourth Proportional to 492,981.56, 739,554.05 and 173,050.42

Step by Step Solution

1. Step 1: Write the proportion equation
   492,981.56 : 739,554.05 = 173,050.42 : x
2. Step 2: Convert to fraction form
   492,981.56/739,554.05 = 173,050.42/x
3. Step 3: Cross multiply
   492,981.56x = 739,554.05 × 173,050.42
4. Step 4: Simplify right side
   492,981.56x = 127,980,138,935.61
5. Step 5: Solve for x
   x = 127,980,138,935.61/492,981.56
6. Step 6: Final answer
   x = 259,604.31