Finding the Fourth Proportional to 1,433,756.45, 1,978,508.61 and 789,053.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433,756.45 : 1,978,508.61 = 789,053.42 : x
2. Step 2: Convert to fraction form
   1,433,756.45/1,978,508.61 = 789,053.42/x
3. Step 3: Cross multiply
   1,433,756.45x = 1,978,508.61 × 789,053.42
4. Step 4: Simplify right side
   1,433,756.45x = 1,561,148,985,219.95
5. Step 5: Solve for x
   x = 1,561,148,985,219.95/1,433,756.45
6. Step 6: Final answer
   x = 1,088,852.28