Finding the Fourth Proportional to 648,841.43, 973,610.72 and 270,023.33

Step by Step Solution

1. Step 1: Write the proportion equation
   648,841.43 : 973,610.72 = 270,023.33 : x
2. Step 2: Convert to fraction form
   648,841.43/973,610.72 = 270,023.33/x
3. Step 3: Cross multiply
   648,841.43x = 973,610.72 × 270,023.33
4. Step 4: Simplify right side
   648,841.43x = 262,897,608,738.10
5. Step 5: Solve for x
   x = 262,897,608,738.10/648,841.43
6. Step 6: Final answer
   x = 405,180.06