Finding the Fourth Proportional to 439,832,105.30, 659,580,196.35 and 133,022,249.30

Step by Step Solution

1. Step 1: Write the proportion equation
   439,832,105.30 : 659,580,196.35 = 133,022,249.30 : x
2. Step 2: Convert to fraction form
   439,832,105.30/659,580,196.35 = 133,022,249.30/x
3. Step 3: Cross multiply
   439,832,105.30x = 659,580,196.35 × 133,022,249.30
4. Step 4: Simplify right side
   439,832,105.30x = 87,738,841,312,212,656
5. Step 5: Solve for x
   x = 87,738,841,312,212,656/439,832,105.30
6. Step 6: Final answer
   x = 199,482,575.86