Finding the Fourth Proportional to 200,457, 276,639.30 and 111,033

Step by Step Solution

1. Step 1: Write the proportion equation
   200,457 : 276,639.30 = 111,033 : x
2. Step 2: Convert to fraction form
   200,457/276,639.30 = 111,033/x
3. Step 3: Cross multiply
   200,457x = 276,639.30 × 111,033
4. Step 4: Simplify right side
   200,457x = 30,716,091,396.90
5. Step 5: Solve for x
   x = 30,716,091,396.90/200,457
6. Step 6: Final answer
   x = 153,230.33