Finding the Fourth Proportional to 105,222.24, 157,856.69 and 30,336.55

Step by Step Solution

1. Step 1: Write the proportion equation
   105,222.24 : 157,856.69 = 30,336.55 : x
2. Step 2: Convert to fraction form
   105,222.24/157,856.69 = 30,336.55/x
3. Step 3: Cross multiply
   105,222.24x = 157,856.69 × 30,336.55
4. Step 4: Simplify right side
   105,222.24x = 4,788,826,802.69
5. Step 5: Solve for x
   x = 4,788,826,802.69/105,222.24
6. Step 6: Final answer
   x = 45,511.54