Finding the Fourth Proportional to 1,028,847.89, 1,419,897.31 and 570,106.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,028,847.89 : 1,419,897.31 = 570,106.35 : x
2. Step 2: Convert to fraction form
   1,028,847.89/1,419,897.31 = 570,106.35/x
3. Step 3: Cross multiply
   1,028,847.89x = 1,419,897.31 × 570,106.35
4. Step 4: Simplify right side
   1,028,847.89x = 809,492,471,353.65
5. Step 5: Solve for x
   x = 809,492,471,353.65/1,028,847.89
6. Step 6: Final answer
   x = 786,795.09