Finding the Fourth Proportional to 401,683, 554,322.56 and 222,835

Step by Step Solution

1. Step 1: Write the proportion equation
   401,683 : 554,322.56 = 222,835 : x
2. Step 2: Convert to fraction form
   401,683/554,322.56 = 222,835/x
3. Step 3: Cross multiply
   401,683x = 554,322.56 × 222,835
4. Step 4: Simplify right side
   401,683x = 123,522,467,657.60
5. Step 5: Solve for x
   x = 123,522,467,657.60/401,683
6. Step 6: Final answer
   x = 307,512.31