Finding the Fourth Proportional to 200,012.13, 276,016.71 and 109,368.17

Step by Step Solution

1. Step 1: Write the proportion equation
   200,012.13 : 276,016.71 = 109,368.17 : x
2. Step 2: Convert to fraction form
   200,012.13/276,016.71 = 109,368.17/x
3. Step 3: Cross multiply
   200,012.13x = 276,016.71 × 109,368.17
4. Step 4: Simplify right side
   200,012.13x = 30,187,441,082.04
5. Step 5: Solve for x
   x = 30,187,441,082.04/200,012.13
6. Step 6: Final answer
   x = 150,928.05