Finding the Fourth Proportional to 1,426,178.22, 1,968,128.73 and 781,622.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426,178.22 : 1,968,128.73 = 781,622.34 : x
2. Step 2: Convert to fraction form
   1,426,178.22/1,968,128.73 = 781,622.34/x
3. Step 3: Cross multiply
   1,426,178.22x = 1,968,128.73 × 781,622.34
4. Step 4: Simplify right side
   1,426,178.22x = 1,538,333,383,363.83
5. Step 5: Solve for x
   x = 1,538,333,383,363.83/1,426,178.22
6. Step 6: Final answer
   x = 1,078,640.36