Finding the Fourth Proportional to 123,322.56, 185,009.76 and 40,274.88

Step by Step Solution

1. Step 1: Write the proportion equation
   123,322.56 : 185,009.76 = 40,274.88 : x
2. Step 2: Convert to fraction form
   123,322.56/185,009.76 = 40,274.88/x
3. Step 3: Cross multiply
   123,322.56x = 185,009.76 × 40,274.88
4. Step 4: Simplify right side
   123,322.56x = 7,451,245,882.83
5. Step 5: Solve for x
   x = 7,451,245,882.83/123,322.56
6. Step 6: Final answer
   x = 60,420.78