Finding the Fourth Proportional to 200,112.57, 276,155.26 and 109,468.51

Step by Step Solution

1. Step 1: Write the proportion equation
   200,112.57 : 276,155.26 = 109,468.51 : x
2. Step 2: Convert to fraction form
   200,112.57/276,155.26 = 109,468.51/x
3. Step 3: Cross multiply
   200,112.57x = 276,155.26 × 109,468.51
4. Step 4: Simplify right side
   200,112.57x = 30,230,304,840.86
5. Step 5: Solve for x
   x = 30,230,304,840.86/200,112.57
6. Step 6: Final answer
   x = 151,066.50