Finding the Fourth Proportional to 167,255.72, 230,920.98 and 103,661

Step by Step Solution

1. Step 1: Write the proportion equation
   167,255.72 : 230,920.98 = 103,661 : x
2. Step 2: Convert to fraction form
   167,255.72/230,920.98 = 103,661/x
3. Step 3: Cross multiply
   167,255.72x = 230,920.98 × 103,661
4. Step 4: Simplify right side
   167,255.72x = 23,937,499,707.78
5. Step 5: Solve for x
   x = 23,937,499,707.78/167,255.72
6. Step 6: Final answer
   x = 143,119.17