Finding the Fourth Proportional to 404,214,554.42, 557,819,421.38 and 223,167,367.98

Step by Step Solution

1. Step 1: Write the proportion equation
   404,214,554.42 : 557,819,421.38 = 223,167,367.98 : x
2. Step 2: Convert to fraction form
   404,214,554.42/557,819,421.38 = 223,167,367.98/x
3. Step 3: Cross multiply
   404,214,554.42x = 557,819,421.38 × 223,167,367.98
4. Step 4: Simplify right side
   404,214,554.42x = 124,487,092,077,501,136
5. Step 5: Solve for x
   x = 124,487,092,077,501,136/404,214,554.42
6. Step 6: Final answer
   x = 307,972,809.78