Finding the Fourth Proportional to 123,981.51, 171,094.60 and 67,392.88

Step by Step Solution

1. Step 1: Write the proportion equation
   123,981.51 : 171,094.60 = 67,392.88 : x
2. Step 2: Convert to fraction form
   123,981.51/171,094.60 = 67,392.88/x
3. Step 3: Cross multiply
   123,981.51x = 171,094.60 × 67,392.88
4. Step 4: Simplify right side
   123,981.51x = 11,530,557,937.22
5. Step 5: Solve for x
   x = 11,530,557,937.22/123,981.51
6. Step 6: Final answer
   x = 93,002.24