Finding the Fourth Proportional to 2,578,018.16, 3,557,544.36 and 1,432,168.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578,018.16 : 3,557,544.36 = 1,432,168.40 : x
2. Step 2: Convert to fraction form
   2,578,018.16/3,557,544.36 = 1,432,168.40/x
3. Step 3: Cross multiply
   2,578,018.16x = 3,557,544.36 × 1,432,168.40
4. Step 4: Simplify right side
   2,578,018.16x = 5,095,002,613,990.22
5. Step 5: Solve for x
   x = 5,095,002,613,990.22/2,578,018.16
6. Step 6: Final answer
   x = 1,976,325.34