Finding the Fourth Proportional to 143,814.44, 198,470.69 and 80,152.69

Step by Step Solution

1. Step 1: Write the proportion equation
   143,814.44 : 198,470.69 = 80,152.69 : x
2. Step 2: Convert to fraction form
   143,814.44/198,470.69 = 80,152.69/x
3. Step 3: Cross multiply
   143,814.44x = 198,470.69 × 80,152.69
4. Step 4: Simplify right side
   143,814.44x = 15,907,959,288.89
5. Step 5: Solve for x
   x = 15,907,959,288.89/143,814.44
6. Step 6: Final answer
   x = 110,614.48