Finding the Fourth Proportional to 1,073,496.47, 1,480,830.57 and 680,309.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073,496.47 : 1,480,830.57 = 680,309.42 : x
2. Step 2: Convert to fraction form
   1,073,496.47/1,480,830.57 = 680,309.42/x
3. Step 3: Cross multiply
   1,073,496.47x = 1,480,830.57 × 680,309.42
4. Step 4: Simplify right side
   1,073,496.47x = 1,007,422,978,790.82
5. Step 5: Solve for x
   x = 1,007,422,978,790.82/1,073,496.47
6. Step 6: Final answer
   x = 938,450.21