Finding the Fourth Proportional to 1,433,716.83, 1,978,513.56 and 789,123.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433,716.83 : 1,978,513.56 = 789,123.15 : x
2. Step 2: Convert to fraction form
   1,433,716.83/1,978,513.56 = 789,123.15/x
3. Step 3: Cross multiply
   1,433,716.83x = 1,978,513.56 × 789,123.15
4. Step 4: Simplify right side
   1,433,716.83x = 1,561,290,852,784.91
5. Step 5: Solve for x
   x = 1,561,290,852,784.91/1,433,716.83
6. Step 6: Final answer
   x = 1,088,981.32