Finding the Fourth Proportional to 501,571,434.19, 752,059,103.72 and 190,701,805.82

Step by Step Solution

1. Step 1: Write the proportion equation
   501,571,434.19 : 752,059,103.72 = 190,701,805.82 : x
2. Step 2: Convert to fraction form
   501,571,434.19/752,059,103.72 = 190,701,805.82/x
3. Step 3: Cross multiply
   501,571,434.19x = 752,059,103.72 × 190,701,805.82
4. Step 4: Simplify right side
   501,571,434.19x = 143,419,029,165,131,568
5. Step 5: Solve for x
   x = 143,419,029,165,131,568/501,571,434.19
6. Step 6: Final answer
   x = 285,939,388.47