Finding the Fourth Proportional to 648,016.10, 973,190.55 and 470,723.30

Step by Step Solution

1. Step 1: Write the proportion equation
   648,016.10 : 973,190.55 = 470,723.30 : x
2. Step 2: Convert to fraction form
   648,016.10/973,190.55 = 470,723.30/x
3. Step 3: Cross multiply
   648,016.10x = 973,190.55 × 470,723.30
4. Step 4: Simplify right side
   648,016.10x = 458,103,467,224.82
5. Step 5: Solve for x
   x = 458,103,467,224.82/648,016.10
6. Step 6: Final answer
   x = 706,932.23