Finding the Fourth Proportional to 855,648.72, 1,180,800.96 and 473,667.12

Step by Step Solution

1. Step 1: Write the proportion equation
   855,648.72 : 1,180,800.96 = 473,667.12 : x
2. Step 2: Convert to fraction form
   855,648.72/1,180,800.96 = 473,667.12/x
3. Step 3: Cross multiply
   855,648.72x = 1,180,800.96 × 473,667.12
4. Step 4: Simplify right side
   855,648.72x = 559,306,590,016.44
5. Step 5: Solve for x
   x = 559,306,590,016.44/855,648.72
6. Step 6: Final answer
   x = 653,663.80