Finding the Fourth Proportional to 117,687,205.36, 162,409,830.78 and 64,770,003.82

Step by Step Solution

1. Step 1: Write the proportion equation
   117,687,205.36 : 162,409,830.78 = 64,770,003.82 : x
2. Step 2: Convert to fraction form
   117,687,205.36/162,409,830.78 = 64,770,003.82/x
3. Step 3: Cross multiply
   117,687,205.36x = 162,409,830.78 × 64,770,003.82
4. Step 4: Simplify right side
   117,687,205.36x = 10,519,285,360,026,154
5. Step 5: Solve for x
   x = 10,519,285,360,026,154/117,687,205.36
6. Step 6: Final answer
   x = 89,383,423.86