Finding the Fourth Proportional to 130,078.81, 195,113.76 and 55,150.71

Step by Step Solution

1. Step 1: Write the proportion equation
   130,078.81 : 195,113.76 = 55,150.71 : x
2. Step 2: Convert to fraction form
   130,078.81/195,113.76 = 55,150.71/x
3. Step 3: Cross multiply
   130,078.81x = 195,113.76 × 55,150.71
4. Step 4: Simplify right side
   130,078.81x = 10,760,662,394.77
5. Step 5: Solve for x
   x = 10,760,662,394.77/130,078.81
6. Step 6: Final answer
   x = 82,724.18