Finding the Fourth Proportional to 123,499.68, 185,145.84 and 83,945.76

Step by Step Solution

1. Step 1: Write the proportion equation
   123,499.68 : 185,145.84 = 83,945.76 : x
2. Step 2: Convert to fraction form
   123,499.68/185,145.84 = 83,945.76/x
3. Step 3: Cross multiply
   123,499.68x = 185,145.84 × 83,945.76
4. Step 4: Simplify right side
   123,499.68x = 15,542,208,249.64
5. Step 5: Solve for x
   x = 15,542,208,249.64/123,499.68
6. Step 6: Final answer
   x = 125,848.17