Finding the Fourth Proportional to 225,494.53, 311,169.17 and 123,499.69

Step by Step Solution

1. Step 1: Write the proportion equation
   225,494.53 : 311,169.17 = 123,499.69 : x
2. Step 2: Convert to fraction form
   225,494.53/311,169.17 = 123,499.69/x
3. Step 3: Cross multiply
   225,494.53x = 311,169.17 × 123,499.69
4. Step 4: Simplify right side
   225,494.53x = 38,429,295,216.04
5. Step 5: Solve for x
   x = 38,429,295,216.04/225,494.53
6. Step 6: Final answer
   x = 170,422.29