Finding the Fourth Proportional to 144,615.96, 199,568.04 and 80,953.80

Step by Step Solution

1. Step 1: Write the proportion equation
   144,615.96 : 199,568.04 = 80,953.80 : x
2. Step 2: Convert to fraction form
   144,615.96/199,568.04 = 80,953.80/x
3. Step 3: Cross multiply
   144,615.96x = 199,568.04 × 80,953.80
4. Step 4: Simplify right side
   144,615.96x = 16,155,791,196.55
5. Step 5: Solve for x
   x = 16,155,791,196.55/144,615.96
6. Step 6: Final answer
   x = 111,715.13