Finding the Fourth Proportional to 1,665,122.50, 2,498,680.17 and 718,493.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,122.50 : 2,498,680.17 = 718,493.22 : x
2. Step 2: Convert to fraction form
   1,665,122.50/2,498,680.17 = 718,493.22/x
3. Step 3: Cross multiply
   1,665,122.50x = 2,498,680.17 × 718,493.22
4. Step 4: Simplify right side
   1,665,122.50x = 1,795,284,761,093.45
5. Step 5: Solve for x
   x = 1,795,284,761,093.45/1,665,122.50
6. Step 6: Final answer
   x = 1,078,169.78