Finding the Fourth Proportional to 123,954.24, 171,109.20 and 83,722.56

Step by Step Solution

1. Step 1: Write the proportion equation
   123,954.24 : 171,109.20 = 83,722.56 : x
2. Step 2: Convert to fraction form
   123,954.24/171,109.20 = 83,722.56/x
3. Step 3: Cross multiply
   123,954.24x = 171,109.20 × 83,722.56
4. Step 4: Simplify right side
   123,954.24x = 14,325,700,263.55
5. Step 5: Solve for x
   x = 14,325,700,263.55/123,954.24
6. Step 6: Final answer
   x = 115,572.49