Finding the Fourth Proportional to 714,992.69, 986,449.84 and 404,852.89

Step by Step Solution

1. Step 1: Write the proportion equation
   714,992.69 : 986,449.84 = 404,852.89 : x
2. Step 2: Convert to fraction form
   714,992.69/986,449.84 = 404,852.89/x
3. Step 3: Cross multiply
   714,992.69x = 986,449.84 × 404,852.89
4. Step 4: Simplify right side
   714,992.69x = 399,367,063,852.72
5. Step 5: Solve for x
   x = 399,367,063,852.72/714,992.69
6. Step 6: Final answer
   x = 558,561.04