Finding the Fourth Proportional to 1,456,561.48, 2,010,055.06 and 811,967.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,561.48 : 2,010,055.06 = 811,967.80 : x
2. Step 2: Convert to fraction form
   1,456,561.48/2,010,055.06 = 811,967.80/x
3. Step 3: Cross multiply
   1,456,561.48x = 2,010,055.06 × 811,967.80
4. Step 4: Simplify right side
   1,456,561.48x = 1,632,099,984,947.07
5. Step 5: Solve for x
   x = 1,632,099,984,947.07/1,456,561.48
6. Step 6: Final answer
   x = 1,120,515.69