Finding the Fourth Proportional to 1,020,858.12, 1,408,784.22 and 568,256.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,020,858.12 : 1,408,784.22 = 568,256.04 : x
2. Step 2: Convert to fraction form
   1,020,858.12/1,408,784.22 = 568,256.04/x
3. Step 3: Cross multiply
   1,020,858.12x = 1,408,784.22 × 568,256.04
4. Step 4: Simplify right side
   1,020,858.12x = 800,550,142,071.69
5. Step 5: Solve for x
   x = 800,550,142,071.69/1,020,858.12
6. Step 6: Final answer
   x = 784,193.34