Finding the Fourth Proportional to 496,549.50, 685,238.31 and 270,196.62

Step by Step Solution

1. Step 1: Write the proportion equation
   496,549.50 : 685,238.31 = 270,196.62 : x
2. Step 2: Convert to fraction form
   496,549.50/685,238.31 = 270,196.62/x
3. Step 3: Cross multiply
   496,549.50x = 685,238.31 × 270,196.62
4. Step 4: Simplify right side
   496,549.50x = 185,149,075,256.51
5. Step 5: Solve for x
   x = 185,149,075,256.51/496,549.50
6. Step 6: Final answer
   x = 372,871.34