Finding the Fourth Proportional to 112,786.09, 155,634.46 and 65,030.22

Step by Step Solution

1. Step 1: Write the proportion equation
   112,786.09 : 155,634.46 = 65,030.22 : x
2. Step 2: Convert to fraction form
   112,786.09/155,634.46 = 65,030.22/x
3. Step 3: Cross multiply
   112,786.09x = 155,634.46 × 65,030.22
4. Step 4: Simplify right side
   112,786.09x = 10,120,943,173.38
5. Step 5: Solve for x
   x = 10,120,943,173.38/112,786.09
6. Step 6: Final answer
   x = 89,735.74