Finding the Fourth Proportional to 111,063.60, 166,425.30 and 82,851.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111,063.60 : 166,425.30 = 82,851.30 : x
2. Step 2: Convert to fraction form
   111,063.60/166,425.30 = 82,851.30/x
3. Step 3: Cross multiply
   111,063.60x = 166,425.30 × 82,851.30
4. Step 4: Simplify right side
   111,063.60x = 13,788,552,457.89
5. Step 5: Solve for x
   x = 13,788,552,457.89/111,063.60
6. Step 6: Final answer
   x = 124,150.06