Finding the Fourth Proportional to 115,168.48, 158,932.66 and 64,180.10

Step by Step Solution

1. Step 1: Write the proportion equation
   115,168.48 : 158,932.66 = 64,180.10 : x
2. Step 2: Convert to fraction form
   115,168.48/158,932.66 = 64,180.10/x
3. Step 3: Cross multiply
   115,168.48x = 158,932.66 × 64,180.10
4. Step 4: Simplify right side
   115,168.48x = 10,200,312,896.50
5. Step 5: Solve for x
   x = 10,200,312,896.50/115,168.48
6. Step 6: Final answer
   x = 88,568.62