Finding the Fourth Proportional to 855,839.34, 1,181,072.79 and 468,648.54

Step by Step Solution

1. Step 1: Write the proportion equation
   855,839.34 : 1,181,072.79 = 468,648.54 : x
2. Step 2: Convert to fraction form
   855,839.34/1,181,072.79 = 468,648.54/x
3. Step 3: Cross multiply
   855,839.34x = 1,181,072.79 × 468,648.54
4. Step 4: Simplify right side
   855,839.34x = 553,508,038,667.23
5. Step 5: Solve for x
   x = 553,508,038,667.23/855,839.34
6. Step 6: Final answer
   x = 646,742.93