Finding the Fourth Proportional to 124,567.68, 171,902.16 and 67,978.56

Step by Step Solution

1. Step 1: Write the proportion equation
   124,567.68 : 171,902.16 = 67,978.56 : x
2. Step 2: Convert to fraction form
   124,567.68/171,902.16 = 67,978.56/x
3. Step 3: Cross multiply
   124,567.68x = 171,902.16 × 67,978.56
4. Step 4: Simplify right side
   124,567.68x = 11,685,661,297.69
5. Step 5: Solve for x
   x = 11,685,661,297.69/124,567.68
6. Step 6: Final answer
   x = 93,809.74