Finding the Fourth Proportional to 443,679.53, 665,387.91 and 123,754.25

Step by Step Solution

1. Step 1: Write the proportion equation
   443,679.53 : 665,387.91 = 123,754.25 : x
2. Step 2: Convert to fraction form
   443,679.53/665,387.91 = 123,754.25/x
3. Step 3: Cross multiply
   443,679.53x = 665,387.91 × 123,754.25
4. Step 4: Simplify right side
   443,679.53x = 82,344,578,434.18
5. Step 5: Solve for x
   x = 82,344,578,434.18/443,679.53
6. Step 6: Final answer
   x = 185,594.72