Finding the Fourth Proportional to 1,433,690.71, 1,978,477.72 and 789,096.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433,690.71 : 1,978,477.72 = 789,096.96 : x
2. Step 2: Convert to fraction form
   1,433,690.71/1,978,477.72 = 789,096.96/x
3. Step 3: Cross multiply
   1,433,690.71x = 1,978,477.72 × 789,096.96
4. Step 4: Simplify right side
   1,433,690.71x = 1,561,210,752,306.99
5. Step 5: Solve for x
   x = 1,561,210,752,306.99/1,433,690.71
6. Step 6: Final answer
   x = 1,088,945.30