Finding the Fourth Proportional to 406,086.93, 560,406.59 and 222,322.42

Step by Step Solution

1. Step 1: Write the proportion equation
   406,086.93 : 560,406.59 = 222,322.42 : x
2. Step 2: Convert to fraction form
   406,086.93/560,406.59 = 222,322.42/x
3. Step 3: Cross multiply
   406,086.93x = 560,406.59 × 222,322.42
4. Step 4: Simplify right side
   406,086.93x = 124,590,947,180.30
5. Step 5: Solve for x
   x = 124,590,947,180.30/406,086.93
6. Step 6: Final answer
   x = 306,808.56