Finding the Fourth Proportional to 468,510,839,044.68, 646,499,780,361.72 and 262,753,431,561.48

Step by Step Solution

1. Step 1: Write the proportion equation
   468,510,839,044.68 : 646,499,780,361.72 = 262,753,431,561.48 : x
2. Step 2: Convert to fraction form
   468,510,839,044.68/646,499,780,361.72 = 262,753,431,561.48/x
3. Step 3: Cross multiply
   468,510,839,044.68x = 646,499,780,361.72 × 262,753,431,561.48
4. Step 4: Simplify right side
   468,510,839,044.68x = 169,870,035,793,785,040,928,768
5. Step 5: Solve for x
   x = 169,870,035,793,785,040,928,768/468,510,839,044.68
6. Step 6: Final answer
   x = 362,574,398,791.20