Finding the Fourth Proportional to 123,507.60, 185,259.78 and 30,013.08

Step by Step Solution

1. Step 1: Write the proportion equation
   123,507.60 : 185,259.78 = 30,013.08 : x
2. Step 2: Convert to fraction form
   123,507.60/185,259.78 = 30,013.08/x
3. Step 3: Cross multiply
   123,507.60x = 185,259.78 × 30,013.08
4. Step 4: Simplify right side
   123,507.60x = 5,560,216,597.92
5. Step 5: Solve for x
   x = 5,560,216,597.92/123,507.60
6. Step 6: Final answer
   x = 45,019.23