Finding the Fourth Proportional to 2,586,863.48, 3,570,152.91 and 1,425,429.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,863.48 : 3,570,152.91 = 1,425,429.78 : x
2. Step 2: Convert to fraction form
   2,586,863.48/3,570,152.91 = 1,425,429.78/x
3. Step 3: Cross multiply
   2,586,863.48x = 3,570,152.91 × 1,425,429.78
4. Step 4: Simplify right side
   2,586,863.48x = 5,089,002,277,067.66
5. Step 5: Solve for x
   x = 5,089,002,277,067.66/2,586,863.48
6. Step 6: Final answer
   x = 1,967,248.11