Finding the Fourth Proportional to 855,561.14, 1,282,898.72 and 456,094.62

Step by Step Solution

1. Step 1: Write the proportion equation
   855,561.14 : 1,282,898.72 = 456,094.62 : x
2. Step 2: Convert to fraction form
   855,561.14/1,282,898.72 = 456,094.62/x
3. Step 3: Cross multiply
   855,561.14x = 1,282,898.72 × 456,094.62
4. Step 4: Simplify right side
   855,561.14x = 585,123,204,196.89
5. Step 5: Solve for x
   x = 585,123,204,196.89/855,561.14
6. Step 6: Final answer
   x = 683,905.77