Finding the Fourth Proportional to 128,056.56, 192,109.41 and 49,164.54

Step by Step Solution

1. Step 1: Write the proportion equation
   128,056.56 : 192,109.41 = 49,164.54 : x
2. Step 2: Convert to fraction form
   128,056.56/192,109.41 = 49,164.54/x
3. Step 3: Cross multiply
   128,056.56x = 192,109.41 × 49,164.54
4. Step 4: Simplify right side
   128,056.56x = 9,444,970,772.32
5. Step 5: Solve for x
   x = 9,444,970,772.32/128,056.56
6. Step 6: Final answer
   x = 73,756.24