Finding the Fourth Proportional to 123,997.56, 171,119.16 and 67,412.58

Step by Step Solution

1. Step 1: Write the proportion equation
   123,997.56 : 171,119.16 = 67,412.58 : x
2. Step 2: Convert to fraction form
   123,997.56/171,119.16 = 67,412.58/x
3. Step 3: Cross multiply
   123,997.56x = 171,119.16 × 67,412.58
4. Step 4: Simplify right side
   123,997.56x = 11,535,584,063.03
5. Step 5: Solve for x
   x = 11,535,584,063.03/123,997.56
6. Step 6: Final answer
   x = 93,030.73