Finding the Fourth Proportional to 1,642,215,674.88, 2,463,118,018.56 and 536,728,106.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,642,215,674.88 : 2,463,118,018.56 = 536,728,106.88 : x
2. Step 2: Convert to fraction form
   1,642,215,674.88/2,463,118,018.56 = 536,728,106.88/x
3. Step 3: Cross multiply
   1,642,215,674.88x = 2,463,118,018.56 × 536,728,106.88
4. Step 4: Simplify right side
   1,642,215,674.88x = 1,322,024,671,123,725,568
5. Step 5: Solve for x
   x = 1,322,024,671,123,725,568/1,642,215,674.88
6. Step 6: Final answer
   x = 805,024,998.45