Finding the Fourth Proportional to 2,280,649.51, 3,147,297.55 and 1,248,156.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280,649.51 : 3,147,297.55 = 1,248,156.69 : x
2. Step 2: Convert to fraction form
   2,280,649.51/3,147,297.55 = 1,248,156.69/x
3. Step 3: Cross multiply
   2,280,649.51x = 3,147,297.55 × 1,248,156.69
4. Step 4: Simplify right side
   2,280,649.51x = 3,928,320,486,382.13
5. Step 5: Solve for x
   x = 3,928,320,486,382.13/2,280,649.51
6. Step 6: Final answer
   x = 1,722,456.90