Finding the Fourth Proportional to 404,751,020.32, 558,556,588.38 and 219,112,030

Step by Step Solution

1. Step 1: Write the proportion equation
   404,751,020.32 : 558,556,588.38 = 219,112,030 : x
2. Step 2: Convert to fraction form
   404,751,020.32/558,556,588.38 = 219,112,030/x
3. Step 3: Cross multiply
   404,751,020.32x = 558,556,588.38 × 219,112,030
4. Step 4: Simplify right side
   404,751,020.32x = 122,386,467,949,816,208
5. Step 5: Solve for x
   x = 122,386,467,949,816,208/404,751,020.32
6. Step 6: Final answer
   x = 302,374,699.03