Finding the Fourth Proportional to 1,978,390.71, 2,967,493.32 and 825,161.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,390.71 : 2,967,493.32 = 825,161.04 : x
2. Step 2: Convert to fraction form
   1,978,390.71/2,967,493.32 = 825,161.04/x
3. Step 3: Cross multiply
   1,978,390.71x = 2,967,493.32 × 825,161.04
4. Step 4: Simplify right side
   1,978,390.71x = 2,448,659,874,124.25
5. Step 5: Solve for x
   x = 2,448,659,874,124.25/1,978,390.71
6. Step 6: Final answer
   x = 1,237,702.88