Finding the Fourth Proportional to 404,451, 558,141.84 and 223,162.86

Step by Step Solution

1. Step 1: Write the proportion equation
   404,451 : 558,141.84 = 223,162.86 : x
2. Step 2: Convert to fraction form
   404,451/558,141.84 = 223,162.86/x
3. Step 3: Cross multiply
   404,451x = 558,141.84 × 223,162.86
4. Step 4: Simplify right side
   404,451x = 124,556,529,300.06
5. Step 5: Solve for x
   x = 124,556,529,300.06/404,451
6. Step 6: Final answer
   x = 307,964.45