Finding the Fourth Proportional to 218,844.12, 302,007.18 and 123,350.82

Step by Step Solution

1. Step 1: Write the proportion equation
   218,844.12 : 302,007.18 = 123,350.82 : x
2. Step 2: Convert to fraction form
   218,844.12/302,007.18 = 123,350.82/x
3. Step 3: Cross multiply
   218,844.12x = 302,007.18 × 123,350.82
4. Step 4: Simplify right side
   218,844.12x = 37,252,833,298.89
5. Step 5: Solve for x
   x = 37,252,833,298.89/218,844.12
6. Step 6: Final answer
   x = 170,225.42