Finding the Fourth Proportional to 166,674.66, 230,002.17 and 91,208.58

Step by Step Solution

1. Step 1: Write the proportion equation
   166,674.66 : 230,002.17 = 91,208.58 : x
2. Step 2: Convert to fraction form
   166,674.66/230,002.17 = 91,208.58/x
3. Step 3: Cross multiply
   166,674.66x = 230,002.17 × 91,208.58
4. Step 4: Simplify right side
   166,674.66x = 20,978,171,322.62
5. Step 5: Solve for x
   x = 20,978,171,322.62/166,674.66
6. Step 6: Final answer
   x = 125,862.99