Finding the Fourth Proportional to 115,167.54, 158,928.54 and 64,180.02

Step by Step Solution

1. Step 1: Write the proportion equation
   115,167.54 : 158,928.54 = 64,180.02 : x
2. Step 2: Convert to fraction form
   115,167.54/158,928.54 = 64,180.02/x
3. Step 3: Cross multiply
   115,167.54x = 158,928.54 × 64,180.02
4. Step 4: Simplify right side
   115,167.54x = 10,200,036,875.77
5. Step 5: Solve for x
   x = 10,200,036,875.77/115,167.54
6. Step 6: Final answer
   x = 88,566.94