Finding the Fourth Proportional to 536,573.55, 740,456.06 and 303,978.81

Step by Step Solution

1. Step 1: Write the proportion equation
   536,573.55 : 740,456.06 = 303,978.81 : x
2. Step 2: Convert to fraction form
   536,573.55/740,456.06 = 303,978.81/x
3. Step 3: Cross multiply
   536,573.55x = 740,456.06 × 303,978.81
4. Step 4: Simplify right side
   536,573.55x = 225,082,950,456.20
5. Step 5: Solve for x
   x = 225,082,950,456.20/536,573.55
6. Step 6: Final answer
   x = 419,482.01