Finding the Fourth Proportional to 200,111.83, 276,156.53 and 109,467.81

Step by Step Solution

1. Step 1: Write the proportion equation
   200,111.83 : 276,156.53 = 109,467.81 : x
2. Step 2: Convert to fraction form
   200,111.83/276,156.53 = 109,467.81/x
3. Step 3: Cross multiply
   200,111.83x = 276,156.53 × 109,467.81
4. Step 4: Simplify right side
   200,111.83x = 30,230,250,556.30
5. Step 5: Solve for x
   x = 30,230,250,556.30/200,111.83
6. Step 6: Final answer
   x = 151,066.78