Finding the Fourth Proportional to 200,769.72, 301,212.18 and 76,123.32

Step by Step Solution

1. Step 1: Write the proportion equation
   200,769.72 : 301,212.18 = 76,123.32 : x
2. Step 2: Convert to fraction form
   200,769.72/301,212.18 = 76,123.32/x
3. Step 3: Cross multiply
   200,769.72x = 301,212.18 × 76,123.32
4. Step 4: Simplify right side
   200,769.72x = 22,929,271,166.04
5. Step 5: Solve for x
   x = 22,929,271,166.04/200,769.72
6. Step 6: Final answer
   x = 114,206.82