Finding the Fourth Proportional to 123,642.79, 170,625.03 and 69,925.79

Step by Step Solution

1. Step 1: Write the proportion equation
   123,642.79 : 170,625.03 = 69,925.79 : x
2. Step 2: Convert to fraction form
   123,642.79/170,625.03 = 69,925.79/x
3. Step 3: Cross multiply
   123,642.79x = 170,625.03 × 69,925.79
4. Step 4: Simplify right side
   123,642.79x = 11,931,090,016.52
5. Step 5: Solve for x
   x = 11,931,090,016.52/123,642.79
6. Step 6: Final answer
   x = 96,496.45