Finding the Fourth Proportional to 122,423.33, 168,952.56 and 67,978.31

Step by Step Solution

1. Step 1: Write the proportion equation
   122,423.33 : 168,952.56 = 67,978.31 : x
2. Step 2: Convert to fraction form
   122,423.33/168,952.56 = 67,978.31/x
3. Step 3: Cross multiply
   122,423.33x = 168,952.56 × 67,978.31
4. Step 4: Simplify right side
   122,423.33x = 11,485,109,415.24
5. Step 5: Solve for x
   x = 11,485,109,415.24/122,423.33
6. Step 6: Final answer
   x = 93,814.71