Finding the Fourth Proportional to 123,964.80, 185,945.56 and 30,471.36

Step by Step Solution

1. Step 1: Write the proportion equation
   123,964.80 : 185,945.56 = 30,471.36 : x
2. Step 2: Convert to fraction form
   123,964.80/185,945.56 = 30,471.36/x
3. Step 3: Cross multiply
   123,964.80x = 185,945.56 × 30,471.36
4. Step 4: Simplify right side
   123,964.80x = 5,666,014,099.16
5. Step 5: Solve for x
   x = 5,666,014,099.16/123,964.80
6. Step 6: Final answer
   x = 45,706.64