Finding the Fourth Proportional to 109,399.48, 164,163.78 and 46,215.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,399.48 : 164,163.78 = 46,215.50 : x
2. Step 2: Convert to fraction form
   109,399.48/164,163.78 = 46,215.50/x
3. Step 3: Cross multiply
   109,399.48x = 164,163.78 × 46,215.50
4. Step 4: Simplify right side
   109,399.48x = 7,586,910,353.77
5. Step 5: Solve for x
   x = 7,586,910,353.77/109,399.48
6. Step 6: Final answer
   x = 69,350.52