Finding the Fourth Proportional to 257,716,676.82, 355,649,072.01 and 141,823,172.82

Step by Step Solution

1. Step 1: Write the proportion equation
   257,716,676.82 : 355,649,072.01 = 141,823,172.82 : x
2. Step 2: Convert to fraction form
   257,716,676.82/355,649,072.01 = 141,823,172.82/x
3. Step 3: Cross multiply
   257,716,676.82x = 355,649,072.01 × 141,823,172.82
4. Step 4: Simplify right side
   257,716,676.82x = 50,439,279,802,946,848
5. Step 5: Solve for x
   x = 50,439,279,802,946,848/257,716,676.82
6. Step 6: Final answer
   x = 195,716,010.41