Finding the Fourth Proportional to 115,065.12, 158,771.32 and 64,077.24

Step by Step Solution

1. Step 1: Write the proportion equation
   115,065.12 : 158,771.32 = 64,077.24 : x
2. Step 2: Convert to fraction form
   115,065.12/158,771.32 = 64,077.24/x
3. Step 3: Cross multiply
   115,065.12x = 158,771.32 × 64,077.24
4. Step 4: Simplify right side
   115,065.12x = 10,173,627,976.76
5. Step 5: Solve for x
   x = 10,173,627,976.76/115,065.12
6. Step 6: Final answer
   x = 88,416.26