Finding the Fourth Proportional to 124,287.36, 171,518.72 and 67,698.56

Step by Step Solution

1. Step 1: Write the proportion equation
   124,287.36 : 171,518.72 = 67,698.56 : x
2. Step 2: Convert to fraction form
   124,287.36/171,518.72 = 67,698.56/x
3. Step 3: Cross multiply
   124,287.36x = 171,518.72 × 67,698.56
4. Step 4: Simplify right side
   124,287.36x = 11,611,570,357.04
5. Step 5: Solve for x
   x = 11,611,570,357.04/124,287.36
6. Step 6: Final answer
   x = 93,425.19