Finding the Fourth Proportional to 2,874,801.48, 3,967,209.86 and 1,585,638.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,874,801.48 : 3,967,209.86 = 1,585,638.78 : x
2. Step 2: Convert to fraction form
   2,874,801.48/3,967,209.86 = 1,585,638.78/x
3. Step 3: Cross multiply
   2,874,801.48x = 3,967,209.86 × 1,585,638.78
4. Step 4: Simplify right side
   2,874,801.48x = 6,290,561,802,414.37
5. Step 5: Solve for x
   x = 6,290,561,802,414.37/2,874,801.48
6. Step 6: Final answer
   x = 2,188,172.59