Finding the Fourth Proportional to 118,676.37, 163,773.38 and 64,961.42

Step by Step Solution

1. Step 1: Write the proportion equation
   118,676.37 : 163,773.38 = 64,961.42 : x
2. Step 2: Convert to fraction form
   118,676.37/163,773.38 = 64,961.42/x
3. Step 3: Cross multiply
   118,676.37x = 163,773.38 × 64,961.42
4. Step 4: Simplify right side
   118,676.37x = 10,638,950,998.19
5. Step 5: Solve for x
   x = 10,638,950,998.19/118,676.37
6. Step 6: Final answer
   x = 89,646.75