Finding the Fourth Proportional to 822,722,109.48, 1,233,823,931.42 and 269,895,716.28

Step by Step Solution

1. Step 1: Write the proportion equation
   822,722,109.48 : 1,233,823,931.42 = 269,895,716.28 : x
2. Step 2: Convert to fraction form
   822,722,109.48/1,233,823,931.42 = 269,895,716.28/x
3. Step 3: Cross multiply
   822,722,109.48x = 1,233,823,931.42 × 269,895,716.28
4. Step 4: Simplify right side
   822,722,109.48x = 333,003,793,732,656,960
5. Step 5: Solve for x
   x = 333,003,793,732,656,960/822,722,109.48
6. Step 6: Final answer
   x = 404,758,532.55