Finding the Fourth Proportional to 106,410.45, 159,662.69 and 55,797.39

Step by Step Solution

1. Step 1: Write the proportion equation
   106,410.45 : 159,662.69 = 55,797.39 : x
2. Step 2: Convert to fraction form
   106,410.45/159,662.69 = 55,797.39/x
3. Step 3: Cross multiply
   106,410.45x = 159,662.69 × 55,797.39
4. Step 4: Simplify right side
   106,410.45x = 8,908,761,103.39
5. Step 5: Solve for x
   x = 8,908,761,103.39/106,410.45
6. Step 6: Final answer
   x = 83,720.74