Finding the Fourth Proportional to 1,801,173.42, 2,701,759.59 and 678,979.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,801,173.42 : 2,701,759.59 = 678,979.98 : x
2. Step 2: Convert to fraction form
   1,801,173.42/2,701,759.59 = 678,979.98/x
3. Step 3: Cross multiply
   1,801,173.42x = 2,701,759.59 × 678,979.98
4. Step 4: Simplify right side
   1,801,173.42x = 1,834,440,672,383.01
5. Step 5: Solve for x
   x = 1,834,440,672,383.01/1,801,173.42
6. Step 6: Final answer
   x = 1,018,469.77