Finding the Fourth Proportional to 1,305,888.89, 1,802,101.37 and 725,081.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,305,888.89 : 1,802,101.37 = 725,081.83 : x
2. Step 2: Convert to fraction form
   1,305,888.89/1,802,101.37 = 725,081.83/x
3. Step 3: Cross multiply
   1,305,888.89x = 1,802,101.37 × 725,081.83
4. Step 4: Simplify right side
   1,305,888.89x = 1,306,670,951,074.44
5. Step 5: Solve for x
   x = 1,306,670,951,074.44/1,305,888.89
6. Step 6: Final answer
   x = 1,000,598.88