Finding the Fourth Proportional to 1,072,921.86, 1,480,608.36 and 582,878.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072,921.86 : 1,480,608.36 = 582,878.72 : x
2. Step 2: Convert to fraction form
   1,072,921.86/1,480,608.36 = 582,878.72/x
3. Step 3: Cross multiply
   1,072,921.86x = 1,480,608.36 × 582,878.72
4. Step 4: Simplify right side
   1,072,921.86x = 863,015,105,698.10
5. Step 5: Solve for x
   x = 863,015,105,698.10/1,072,921.86
6. Step 6: Final answer
   x = 804,359.70