Finding the Fourth Proportional to 144,308.71, 199,142.71 and 80,652.43

Step by Step Solution

1. Step 1: Write the proportion equation
   144,308.71 : 199,142.71 = 80,652.43 : x
2. Step 2: Convert to fraction form
   144,308.71/199,142.71 = 80,652.43/x
3. Step 3: Cross multiply
   144,308.71x = 199,142.71 × 80,652.43
4. Step 4: Simplify right side
   144,308.71x = 16,061,343,478.29
5. Step 5: Solve for x
   x = 16,061,343,478.29/144,308.71
6. Step 6: Final answer
   x = 111,298.50