Finding the Fourth Proportional to 144,342.83, 199,187.75 and 80,681.69

Step by Step Solution

1. Step 1: Write the proportion equation
   144,342.83 : 199,187.75 = 80,681.69 : x
2. Step 2: Convert to fraction form
   144,342.83/199,187.75 = 80,681.69/x
3. Step 3: Cross multiply
   144,342.83x = 199,187.75 × 80,681.69
4. Step 4: Simplify right side
   144,342.83x = 16,070,802,897.95
5. Step 5: Solve for x
   x = 16,070,802,897.95/144,342.83
6. Step 6: Final answer
   x = 111,337.73