Finding the Fourth Proportional to 200,723.76, 301,136.28 and 141,674.76

Step by Step Solution

1. Step 1: Write the proportion equation
   200,723.76 : 301,136.28 = 141,674.76 : x
2. Step 2: Convert to fraction form
   200,723.76/301,136.28 = 141,674.76/x
3. Step 3: Cross multiply
   200,723.76x = 301,136.28 × 141,674.76
4. Step 4: Simplify right side
   200,723.76x = 42,663,410,196.29
5. Step 5: Solve for x
   x = 42,663,410,196.29/200,723.76
6. Step 6: Final answer
   x = 212,547.88