Finding the Fourth Proportional to 1,055,380.79, 1,456,426.73 and 571,945.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055,380.79 : 1,456,426.73 = 571,945.91 : x
2. Step 2: Convert to fraction form
   1,055,380.79/1,456,426.73 = 571,945.91/x
3. Step 3: Cross multiply
   1,055,380.79x = 1,456,426.73 × 571,945.91
4. Step 4: Simplify right side
   1,055,380.79x = 832,997,310,561.11
5. Step 5: Solve for x
   x = 832,997,310,561.11/1,055,380.79
6. Step 6: Final answer
   x = 789,286.02