Finding the Fourth Proportional to 123,480.05, 185,245.87 and 70,196.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123,480.05 : 185,245.87 = 70,196.52 : x
2. Step 2: Convert to fraction form
   123,480.05/185,245.87 = 70,196.52/x
3. Step 3: Cross multiply
   123,480.05x = 185,245.87 × 70,196.52
4. Step 4: Simplify right side
   123,480.05x = 13,003,615,418.37
5. Step 5: Solve for x
   x = 13,003,615,418.37/123,480.05
6. Step 6: Final answer
   x = 105,309.44