Finding the Fourth Proportional to 123,449.72, 170,359.82 and 69,752.12

Step by Step Solution

1. Step 1: Write the proportion equation
   123,449.72 : 170,359.82 = 69,752.12 : x
2. Step 2: Convert to fraction form
   123,449.72/170,359.82 = 69,752.12/x
3. Step 3: Cross multiply
   123,449.72x = 170,359.82 × 69,752.12
4. Step 4: Simplify right side
   123,449.72x = 11,882,958,607.82
5. Step 5: Solve for x
   x = 11,882,958,607.82/123,449.72
6. Step 6: Final answer
   x = 96,257.48