Finding the Fourth Proportional to 115,194.52, 158,949.16 and 64,196.07

Step by Step Solution

1. Step 1: Write the proportion equation
   115,194.52 : 158,949.16 = 64,196.07 : x
2. Step 2: Convert to fraction form
   115,194.52/158,949.16 = 64,196.07/x
3. Step 3: Cross multiply
   115,194.52x = 158,949.16 × 64,196.07
4. Step 4: Simplify right side
   115,194.52x = 10,203,911,401.80
5. Step 5: Solve for x
   x = 10,203,911,401.80/115,194.52
6. Step 6: Final answer
   x = 88,579.83