Finding the Fourth Proportional to 1,433,753.91, 1,978,564.79 and 789,160.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433,753.91 : 1,978,564.79 = 789,160.23 : x
2. Step 2: Convert to fraction form
   1,433,753.91/1,978,564.79 = 789,160.23/x
3. Step 3: Cross multiply
   1,433,753.91x = 1,978,564.79 × 789,160.23
4. Step 4: Simplify right side
   1,433,753.91x = 1,561,404,646,719.20
5. Step 5: Solve for x
   x = 1,561,404,646,719.20/1,433,753.91
6. Step 6: Final answer
   x = 1,089,032.53