Finding the Fourth Proportional to 789,404.88, 1,184,182 and 220,786

Step by Step Solution

1. Step 1: Write the proportion equation
   789,404.88 : 1,184,182 = 220,786 : x
2. Step 2: Convert to fraction form
   789,404.88/1,184,182 = 220,786/x
3. Step 3: Cross multiply
   789,404.88x = 1,184,182 × 220,786
4. Step 4: Simplify right side
   789,404.88x = 261,450,807,052
5. Step 5: Solve for x
   x = 261,450,807,052/789,404.88
6. Step 6: Final answer
   x = 331,199.89