Finding the Fourth Proportional to 123,191.24, 169,974.79 and 74,791.94

Step by Step Solution

1. Step 1: Write the proportion equation
   123,191.24 : 169,974.79 = 74,791.94 : x
2. Step 2: Convert to fraction form
   123,191.24/169,974.79 = 74,791.94/x
3. Step 3: Cross multiply
   123,191.24x = 169,974.79 × 74,791.94
4. Step 4: Simplify right side
   123,191.24x = 12,712,743,258.34
5. Step 5: Solve for x
   x = 12,712,743,258.34/123,191.24
6. Step 6: Final answer
   x = 103,195.19