Finding the Fourth Proportional to 200,068.49, 276,084.20 and 109,406.81

Step by Step Solution

1. Step 1: Write the proportion equation
   200,068.49 : 276,084.20 = 109,406.81 : x
2. Step 2: Convert to fraction form
   200,068.49/276,084.20 = 109,406.81/x
3. Step 3: Cross multiply
   200,068.49x = 276,084.20 × 109,406.81
4. Step 4: Simplify right side
   200,068.49x = 30,205,491,066.37
5. Step 5: Solve for x
   x = 30,205,491,066.37/200,068.49
6. Step 6: Final answer
   x = 150,975.75