Finding the Fourth Proportional to 1,591,764.72, 2,196,387.81 and 912,570

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591,764.72 : 2,196,387.81 = 912,570 : x
2. Step 2: Convert to fraction form
   1,591,764.72/2,196,387.81 = 912,570/x
3. Step 3: Cross multiply
   1,591,764.72x = 2,196,387.81 × 912,570
4. Step 4: Simplify right side
   1,591,764.72x = 2,004,357,623,771.70
5. Step 5: Solve for x
   x = 2,004,357,623,771.70/1,591,764.72
6. Step 6: Final answer
   x = 1,259,204.70