Finding the Fourth Proportional to 1,918,401.37, 2,647,456.55 and 1,047,282.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918,401.37 : 2,647,456.55 = 1,047,282.51 : x
2. Step 2: Convert to fraction form
   1,918,401.37/2,647,456.55 = 1,047,282.51/x
3. Step 3: Cross multiply
   1,918,401.37x = 2,647,456.55 × 1,047,282.51
4. Step 4: Simplify right side
   1,918,401.37x = 2,772,634,940,799.94
5. Step 5: Solve for x
   x = 2,772,634,940,799.94/1,918,401.37
6. Step 6: Final answer
   x = 1,445,284.07