Finding the Fourth Proportional to 144,256.88, 199,070.82 and 80,595.15

Step by Step Solution

1. Step 1: Write the proportion equation
   144,256.88 : 199,070.82 = 80,595.15 : x
2. Step 2: Convert to fraction form
   144,256.88/199,070.82 = 80,595.15/x
3. Step 3: Cross multiply
   144,256.88x = 199,070.82 × 80,595.15
4. Step 4: Simplify right side
   144,256.88x = 16,044,142,598.52
5. Step 5: Solve for x
   x = 16,044,142,598.52/144,256.88
6. Step 6: Final answer
   x = 111,219.25