Finding the Fourth Proportional to 1,356,150.13, 1,871,350.90 and 812,271.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356,150.13 : 1,871,350.90 = 812,271.94 : x
2. Step 2: Convert to fraction form
   1,356,150.13/1,871,350.90 = 812,271.94/x
3. Step 3: Cross multiply
   1,356,150.13x = 1,871,350.90 × 812,271.94
4. Step 4: Simplify right side
   1,356,150.13x = 1,520,045,819,254.69
5. Step 5: Solve for x
   x = 1,520,045,819,254.69/1,356,150.13
6. Step 6: Final answer
   x = 1,120,853.65