Finding the Fourth Proportional to 118,676.37, 163,773.27 and 64,960.91

Step by Step Solution

1. Step 1: Write the proportion equation
   118,676.37 : 163,773.27 = 64,960.91 : x
2. Step 2: Convert to fraction form
   118,676.37/163,773.27 = 64,960.91/x
3. Step 3: Cross multiply
   118,676.37x = 163,773.27 × 64,960.91
4. Step 4: Simplify right side
   118,676.37x = 10,638,859,834.01
5. Step 5: Solve for x
   x = 10,638,859,834.01/118,676.37
6. Step 6: Final answer
   x = 89,645.98