Finding the Fourth Proportional to 123,496.47, 185,540.26 and 79,209.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,496.47 : 185,540.26 = 79,209.72 : x
2. Step 2: Convert to fraction form
   123,496.47/185,540.26 = 79,209.72/x
3. Step 3: Cross multiply
   123,496.47x = 185,540.26 × 79,209.72
4. Step 4: Simplify right side
   123,496.47x = 14,696,592,043.33
5. Step 5: Solve for x
   x = 14,696,592,043.33/123,496.47
6. Step 6: Final answer
   x = 119,004.15