Finding the Fourth Proportional to 200,388.34, 276,536.32 and 108,508.62

Step by Step Solution

1. Step 1: Write the proportion equation
   200,388.34 : 276,536.32 = 108,508.62 : x
2. Step 2: Convert to fraction form
   200,388.34/276,536.32 = 108,508.62/x
3. Step 3: Cross multiply
   200,388.34x = 276,536.32 × 108,508.62
4. Step 4: Simplify right side
   200,388.34x = 30,006,575,228.82
5. Step 5: Solve for x
   x = 30,006,575,228.82/200,388.34
6. Step 6: Final answer
   x = 149,742.12