Finding the Fourth Proportional to 404,751,013.32, 558,556,578.72 and 219,112,023

Step by Step Solution

1. Step 1: Write the proportion equation
   404,751,013.32 : 558,556,578.72 = 219,112,023 : x
2. Step 2: Convert to fraction form
   404,751,013.32/558,556,578.72 = 219,112,023/x
3. Step 3: Cross multiply
   404,751,013.32x = 558,556,578.72 × 219,112,023
4. Step 4: Simplify right side
   404,751,013.32x = 122,386,461,923,297,952
5. Step 5: Solve for x
   x = 122,386,461,923,297,952/404,751,013.32
6. Step 6: Final answer
   x = 302,374,689.37