Finding the Fourth Proportional to 115,441.16, 159,309.45 and 67,695.30

Step by Step Solution

1. Step 1: Write the proportion equation
   115,441.16 : 159,309.45 = 67,695.30 : x
2. Step 2: Convert to fraction form
   115,441.16/159,309.45 = 67,695.30/x
3. Step 3: Cross multiply
   115,441.16x = 159,309.45 × 67,695.30
4. Step 4: Simplify right side
   115,441.16x = 10,784,501,010.59
5. Step 5: Solve for x
   x = 10,784,501,010.59/115,441.16
6. Step 6: Final answer
   x = 93,419.90