Finding the Fourth Proportional to 123,976.98, 171,088.47 and 67,388.22

Step by Step Solution

1. Step 1: Write the proportion equation
   123,976.98 : 171,088.47 = 67,388.22 : x
2. Step 2: Convert to fraction form
   123,976.98/171,088.47 = 67,388.22/x
3. Step 3: Cross multiply
   123,976.98x = 171,088.47 × 67,388.22
4. Step 4: Simplify right side
   123,976.98x = 11,529,347,455.82
5. Step 5: Solve for x
   x = 11,529,347,455.82/123,976.98
6. Step 6: Final answer
   x = 92,995.87