Finding the Fourth Proportional to 502,986.72, 754,480.28 and 123,914.82

Step by Step Solution

1. Step 1: Write the proportion equation
   502,986.72 : 754,480.28 = 123,914.82 : x
2. Step 2: Convert to fraction form
   502,986.72/754,480.28 = 123,914.82/x
3. Step 3: Cross multiply
   502,986.72x = 754,480.28 × 123,914.82
4. Step 4: Simplify right side
   502,986.72x = 93,491,289,666.16
5. Step 5: Solve for x
   x = 93,491,289,666.16/502,986.72
6. Step 6: Final answer
   x = 185,872.28