Finding the Fourth Proportional to 297,978.69, 411,228.06 and 168,927.45

Step by Step Solution

1. Step 1: Write the proportion equation
   297,978.69 : 411,228.06 = 168,927.45 : x
2. Step 2: Convert to fraction form
   297,978.69/411,228.06 = 168,927.45/x
3. Step 3: Cross multiply
   297,978.69x = 411,228.06 × 168,927.45
4. Step 4: Simplify right side
   297,978.69x = 69,467,707,544.25
5. Step 5: Solve for x
   x = 69,467,707,544.25/297,978.69
6. Step 6: Final answer
   x = 233,129.78