Finding the Fourth Proportional to 115,194.83, 158,949.59 and 64,196.39

Step by Step Solution

1. Step 1: Write the proportion equation
   115,194.83 : 158,949.59 = 64,196.39 : x
2. Step 2: Convert to fraction form
   115,194.83/158,949.59 = 64,196.39/x
3. Step 3: Cross multiply
   115,194.83x = 158,949.59 × 64,196.39
4. Step 4: Simplify right side
   115,194.83x = 10,203,988,754.25
5. Step 5: Solve for x
   x = 10,203,988,754.25/115,194.83
6. Step 6: Final answer
   x = 88,580.27