Finding the Fourth Proportional to 118,168.05, 163,073.86 and 64,453.07

Step by Step Solution

1. Step 1: Write the proportion equation
   118,168.05 : 163,073.86 = 64,453.07 : x
2. Step 2: Convert to fraction form
   118,168.05/163,073.86 = 64,453.07/x
3. Step 3: Cross multiply
   118,168.05x = 163,073.86 × 64,453.07
4. Step 4: Simplify right side
   118,168.05x = 10,510,610,591.48
5. Step 5: Solve for x
   x = 10,510,610,591.48/118,168.05
6. Step 6: Final answer
   x = 88,946.30