Finding the Fourth Proportional to 118,578,096,640.87, 163,633,183,830.61 and 64,383,404,878.31

Step by Step Solution

1. Step 1: Write the proportion equation
   118,578,096,640.87 : 163,633,183,830.61 = 64,383,404,878.31 : x
2. Step 2: Convert to fraction form
   118,578,096,640.87/163,633,183,830.61 = 64,383,404,878.31/x
3. Step 3: Cross multiply
   118,578,096,640.87x = 163,633,183,830.61 × 64,383,404,878.31
4. Step 4: Simplify right side
   118,578,096,640.87x = 10,535,261,526,093,092,356,096
5. Step 5: Solve for x
   x = 10,535,261,526,093,092,356,096/118,578,096,640.87
6. Step 6: Final answer
   x = 88,846,606,789.45