Finding the Fourth Proportional to 2,064,809.54, 2,850,473.22 and 1,290,870.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064,809.54 : 2,850,473.22 = 1,290,870.38 : x
2. Step 2: Convert to fraction form
   2,064,809.54/2,850,473.22 = 1,290,870.38/x
3. Step 3: Cross multiply
   2,064,809.54x = 2,850,473.22 × 1,290,870.38
4. Step 4: Simplify right side
   2,064,809.54x = 3,679,591,448,681.22
5. Step 5: Solve for x
   x = 3,679,591,448,681.22/2,064,809.54
6. Step 6: Final answer
   x = 1,782,048.84