Finding the Fourth Proportional to 1,422,472.32, 1,963,045.89 and 810,612

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422,472.32 : 1,963,045.89 = 810,612 : x
2. Step 2: Convert to fraction form
   1,422,472.32/1,963,045.89 = 810,612/x
3. Step 3: Cross multiply
   1,422,472.32x = 1,963,045.89 × 810,612
4. Step 4: Simplify right side
   1,422,472.32x = 1,591,268,554,984.68
5. Step 5: Solve for x
   x = 1,591,268,554,984.68/1,422,472.32
6. Step 6: Final answer
   x = 1,118,663.99