Finding the Fourth Proportional to 123,597.60, 185,383.56 and 83,871.60

Step by Step Solution

1. Step 1: Write the proportion equation
   123,597.60 : 185,383.56 = 83,871.60 : x
2. Step 2: Convert to fraction form
   123,597.60/185,383.56 = 83,871.60/x
3. Step 3: Cross multiply
   123,597.60x = 185,383.56 × 83,871.60
4. Step 4: Simplify right side
   123,597.60x = 15,548,415,790.90
5. Step 5: Solve for x
   x = 15,548,415,790.90/123,597.60
6. Step 6: Final answer
   x = 125,798.69