Finding the Fourth Proportional to 143,093.15, 197,458.67 and 79,425.94

Step by Step Solution

1. Step 1: Write the proportion equation
   143,093.15 : 197,458.67 = 79,425.94 : x
2. Step 2: Convert to fraction form
   143,093.15/197,458.67 = 79,425.94/x
3. Step 3: Cross multiply
   143,093.15x = 197,458.67 × 79,425.94
4. Step 4: Simplify right side
   143,093.15x = 15,683,340,180.82
5. Step 5: Solve for x
   x = 15,683,340,180.82/143,093.15
6. Step 6: Final answer
   x = 109,602.31