Finding the Fourth Proportional to 789,602.07, 1,089,647.71 and 427,026.31

Step by Step Solution

1. Step 1: Write the proportion equation
   789,602.07 : 1,089,647.71 = 427,026.31 : x
2. Step 2: Convert to fraction form
   789,602.07/1,089,647.71 = 427,026.31/x
3. Step 3: Cross multiply
   789,602.07x = 1,089,647.71 × 427,026.31
4. Step 4: Simplify right side
   789,602.07x = 465,308,240,801.25
5. Step 5: Solve for x
   x = 465,308,240,801.25/789,602.07
6. Step 6: Final answer
   x = 589,294.61