Finding the Fourth Proportional to 123,976.63, 171,086.92 and 67,388.01

Step by Step Solution

1. Step 1: Write the proportion equation
   123,976.63 : 171,086.92 = 67,388.01 : x
2. Step 2: Convert to fraction form
   123,976.63/171,086.92 = 67,388.01/x
3. Step 3: Cross multiply
   123,976.63x = 171,086.92 × 67,388.01
4. Step 4: Simplify right side
   123,976.63x = 11,529,207,075.83
5. Step 5: Solve for x
   x = 11,529,207,075.83/123,976.63
6. Step 6: Final answer
   x = 92,995.00