Finding the Fourth Proportional to 648,020.10, 973,196.55 and 470,727.30

Step by Step Solution

1. Step 1: Write the proportion equation
   648,020.10 : 973,196.55 = 470,727.30 : x
2. Step 2: Convert to fraction form
   648,020.10/973,196.55 = 470,727.30/x
3. Step 3: Cross multiply
   648,020.10x = 973,196.55 × 470,727.30
4. Step 4: Simplify right side
   648,020.10x = 458,110,184,350.82
5. Step 5: Solve for x
   x = 458,110,184,350.82/648,020.10
6. Step 6: Final answer
   x = 706,938.23