Finding the Fourth Proportional to 218,789, 301,928.82 and 118,187

Step by Step Solution

1. Step 1: Write the proportion equation
   218,789 : 301,928.82 = 118,187 : x
2. Step 2: Convert to fraction form
   218,789/301,928.82 = 118,187/x
3. Step 3: Cross multiply
   218,789x = 301,928.82 × 118,187
4. Step 4: Simplify right side
   218,789x = 35,684,061,449.34
5. Step 5: Solve for x
   x = 35,684,061,449.34/218,789
6. Step 6: Final answer
   x = 163,098.06