Finding the Fourth Proportional to 123,667.37, 170,821.14 and 91,467.44

Step by Step Solution

1. Step 1: Write the proportion equation
   123,667.37 : 170,821.14 = 91,467.44 : x
2. Step 2: Convert to fraction form
   123,667.37/170,821.14 = 91,467.44/x
3. Step 3: Cross multiply
   123,667.37x = 170,821.14 × 91,467.44
4. Step 4: Simplify right side
   123,667.37x = 15,624,571,519.58
5. Step 5: Solve for x
   x = 15,624,571,519.58/123,667.37
6. Step 6: Final answer
   x = 126,343.53