Finding the Fourth Proportional to 1,434,493.50, 1,979,601.03 and 789,912.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434,493.50 : 1,979,601.03 = 789,912.15 : x
2. Step 2: Convert to fraction form
   1,434,493.50/1,979,601.03 = 789,912.15/x
3. Step 3: Cross multiply
   1,434,493.50x = 1,979,601.03 × 789,912.15
4. Step 4: Simplify right side
   1,434,493.50x = 1,563,710,905,749.51
5. Step 5: Solve for x
   x = 1,563,710,905,749.51/1,434,493.50
6. Step 6: Final answer
   x = 1,090,078.77