Finding the Fourth Proportional to 112,855.77, 155,734.97 and 65,106.27

Step by Step Solution

1. Step 1: Write the proportion equation
   112,855.77 : 155,734.97 = 65,106.27 : x
2. Step 2: Convert to fraction form
   112,855.77/155,734.97 = 65,106.27/x
3. Step 3: Cross multiply
   112,855.77x = 155,734.97 × 65,106.27
4. Step 4: Simplify right side
   112,855.77x = 10,139,322,679.73
5. Step 5: Solve for x
   x = 10,139,322,679.73/112,855.77
6. Step 6: Final answer
   x = 89,843.19