Finding the Fourth Proportional to 55,153.36, 82,106.24 and 54,825.31

Step by Step Solution

1. Step 1: Write the proportion equation
   55,153.36 : 82,106.24 = 54,825.31 : x
2. Step 2: Convert to fraction form
   55,153.36/82,106.24 = 54,825.31/x
3. Step 3: Cross multiply
   55,153.36x = 82,106.24 × 54,825.31
4. Step 4: Simplify right side
   55,153.36x = 4,501,500,060.93
5. Step 5: Solve for x
   x = 4,501,500,060.93/55,153.36
6. Step 6: Final answer
   x = 81,617.88