Finding the Fourth Proportional to 470,567, 649,382.46 and 258,599

Step by Step Solution

1. Step 1: Write the proportion equation
   470,567 : 649,382.46 = 258,599 : x
2. Step 2: Convert to fraction form
   470,567/649,382.46 = 258,599/x
3. Step 3: Cross multiply
   470,567x = 649,382.46 × 258,599
4. Step 4: Simplify right side
   470,567x = 167,929,654,773.54
5. Step 5: Solve for x
   x = 167,929,654,773.54/470,567
6. Step 6: Final answer
   x = 356,866.62