Finding the Fourth Proportional to 470,049, 648,667.62 and 258,081

Step by Step Solution

1. Step 1: Write the proportion equation
   470,049 : 648,667.62 = 258,081 : x
2. Step 2: Convert to fraction form
   470,049/648,667.62 = 258,081/x
3. Step 3: Cross multiply
   470,049x = 648,667.62 × 258,081
4. Step 4: Simplify right side
   470,049x = 167,408,788,037.22
5. Step 5: Solve for x
   x = 167,408,788,037.22/470,049
6. Step 6: Final answer
   x = 356,151.78