Finding the Fourth Proportional to 118,166.82, 163,072.41 and 64,453.76

Step by Step Solution

1. Step 1: Write the proportion equation
   118,166.82 : 163,072.41 = 64,453.76 : x
2. Step 2: Convert to fraction form
   118,166.82/163,072.41 = 64,453.76/x
3. Step 3: Cross multiply
   118,166.82x = 163,072.41 × 64,453.76
4. Step 4: Simplify right side
   118,166.82x = 10,510,629,531.22
5. Step 5: Solve for x
   x = 10,510,629,531.22/118,166.82
6. Step 6: Final answer
   x = 88,947.39