Finding the Fourth Proportional to 218,956.42, 302,159.72 and 118,354.42

Step by Step Solution

1. Step 1: Write the proportion equation
   218,956.42 : 302,159.72 = 118,354.42 : x
2. Step 2: Convert to fraction form
   218,956.42/302,159.72 = 118,354.42/x
3. Step 3: Cross multiply
   218,956.42x = 302,159.72 × 118,354.42
4. Step 4: Simplify right side
   218,956.42x = 35,761,937,948.45
5. Step 5: Solve for x
   x = 35,761,937,948.45/218,956.42
6. Step 6: Final answer
   x = 163,329.02