Finding the Fourth Proportional to 760,015.60, 1,139,379.52 and 333,227.98

Step by Step Solution

1. Step 1: Write the proportion equation
   760,015.60 : 1,139,379.52 = 333,227.98 : x
2. Step 2: Convert to fraction form
   760,015.60/1,139,379.52 = 333,227.98/x
3. Step 3: Cross multiply
   760,015.60x = 1,139,379.52 × 333,227.98
4. Step 4: Simplify right side
   760,015.60x = 379,673,134,236.83
5. Step 5: Solve for x
   x = 379,673,134,236.83/760,015.60
6. Step 6: Final answer
   x = 499,559.66