Finding the Fourth Proportional to 2,882,978.20, 3,978,164.10 and 1,593,643.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,882,978.20 : 3,978,164.10 = 1,593,643.48 : x
2. Step 2: Convert to fraction form
   2,882,978.20/3,978,164.10 = 1,593,643.48/x
3. Step 3: Cross multiply
   2,882,978.20x = 3,978,164.10 × 1,593,643.48
4. Step 4: Simplify right side
   2,882,978.20x = 6,339,775,280,335.07
5. Step 5: Solve for x
   x = 6,339,775,280,335.07/2,882,978.20
6. Step 6: Final answer
   x = 2,199,036.84