Finding the Fourth Proportional to 855,018.72, 1,179,882.72 and 467,825.76

Step by Step Solution

1. Step 1: Write the proportion equation
   855,018.72 : 1,179,882.72 = 467,825.76 : x
2. Step 2: Convert to fraction form
   855,018.72/1,179,882.72 = 467,825.76/x
3. Step 3: Cross multiply
   855,018.72x = 1,179,882.72 × 467,825.76
4. Step 4: Simplify right side
   855,018.72x = 551,979,530,194.87
5. Step 5: Solve for x
   x = 551,979,530,194.87/855,018.72
6. Step 6: Final answer
   x = 645,575.96