Finding the Fourth Proportional to 123,994, 186,043.68 and 67,768.43

Step by Step Solution

1. Step 1: Write the proportion equation
   123,994 : 186,043.68 = 67,768.43 : x
2. Step 2: Convert to fraction form
   123,994/186,043.68 = 67,768.43/x
3. Step 3: Cross multiply
   123,994x = 186,043.68 × 67,768.43
4. Step 4: Simplify right side
   123,994x = 12,607,888,105.02
5. Step 5: Solve for x
   x = 12,607,888,105.02/123,994
6. Step 6: Final answer
   x = 101,681.44