Finding the Fourth Proportional to 1,582,216.76, 2,183,469.59 and 857,064.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,582,216.76 : 2,183,469.59 = 857,064.47 : x
2. Step 2: Convert to fraction form
   1,582,216.76/2,183,469.59 = 857,064.47/x
3. Step 3: Cross multiply
   1,582,216.76x = 2,183,469.59 × 857,064.47
4. Step 4: Simplify right side
   1,582,216.76x = 1,871,374,198,139.78
5. Step 5: Solve for x
   x = 1,871,374,198,139.78/1,582,216.76
6. Step 6: Final answer
   x = 1,182,754.63