Finding the Fourth Proportional to 200,436.96, 276,606.60 and 109,791.48

Step by Step Solution

1. Step 1: Write the proportion equation
   200,436.96 : 276,606.60 = 109,791.48 : x
2. Step 2: Convert to fraction form
   200,436.96/276,606.60 = 109,791.48/x
3. Step 3: Cross multiply
   200,436.96x = 276,606.60 × 109,791.48
4. Step 4: Simplify right side
   200,436.96x = 30,369,047,991.77
5. Step 5: Solve for x
   x = 30,369,047,991.77/200,436.96
6. Step 6: Final answer
   x = 151,514.21