Finding the Fourth Proportional to 130,077.25, 195,111.41 and 55,149.15

Step by Step Solution

1. Step 1: Write the proportion equation
   130,077.25 : 195,111.41 = 55,149.15 : x
2. Step 2: Convert to fraction form
   130,077.25/195,111.41 = 55,149.15/x
3. Step 3: Cross multiply
   130,077.25x = 195,111.41 × 55,149.15
4. Step 4: Simplify right side
   130,077.25x = 10,760,228,416.80
5. Step 5: Solve for x
   x = 10,760,228,416.80/130,077.25
6. Step 6: Final answer
   x = 82,721.83