Finding the Fourth Proportional to 105,105.56, 157,660.50 and 34,985.48

Step by Step Solution

1. Step 1: Write the proportion equation
   105,105.56 : 157,660.50 = 34,985.48 : x
2. Step 2: Convert to fraction form
   105,105.56/157,660.50 = 34,985.48/x
3. Step 3: Cross multiply
   105,105.56x = 157,660.50 × 34,985.48
4. Step 4: Simplify right side
   105,105.56x = 5,515,828,269.54
5. Step 5: Solve for x
   x = 5,515,828,269.54/105,105.56
6. Step 6: Final answer
   x = 52,478.94