Finding the Fourth Proportional to 539,167,978,665.05, 744,075,199,276.25 and 298,579,854,996.10

Step by Step Solution

1. Step 1: Write the proportion equation
   539,167,978,665.05 : 744,075,199,276.25 = 298,579,854,996.10 : x
2. Step 2: Convert to fraction form
   539,167,978,665.05/744,075,199,276.25 = 298,579,854,996.10/x
3. Step 3: Cross multiply
   539,167,978,665.05x = 744,075,199,276.25 × 298,579,854,996.10
4. Step 4: Simplify right side
   539,167,978,665.05x = 222,165,865,106,096,917,577,728
5. Step 5: Solve for x
   x = 222,165,865,106,096,917,577,728/539,167,978,665.05
6. Step 6: Final answer
   x = 412,053,152,073.62