Finding the Fourth Proportional to 875,016.72, 1,312,553.34 and 275,983.56

Step by Step Solution

1. Step 1: Write the proportion equation
   875,016.72 : 1,312,553.34 = 275,983.56 : x
2. Step 2: Convert to fraction form
   875,016.72/1,312,553.34 = 275,983.56/x
3. Step 3: Cross multiply
   875,016.72x = 1,312,553.34 × 275,983.56
4. Step 4: Simplify right side
   875,016.72x = 362,243,143,463.09
5. Step 5: Solve for x
   x = 362,243,143,463.09/875,016.72
6. Step 6: Final answer
   x = 413,984.25