Finding the Fourth Proportional to 492,978.42, 739,467.63 and 160,554.42

Step by Step Solution

1. Step 1: Write the proportion equation
   492,978.42 : 739,467.63 = 160,554.42 : x
2. Step 2: Convert to fraction form
   492,978.42/739,467.63 = 160,554.42/x
3. Step 3: Cross multiply
   492,978.42x = 739,467.63 × 160,554.42
4. Step 4: Simplify right side
   492,978.42x = 118,724,796,443.43
5. Step 5: Solve for x
   x = 118,724,796,443.43/492,978.42
6. Step 6: Final answer
   x = 240,831.63