Finding the Fourth Proportional to 143,502.42, 198,042.83 and 79,840.37

Step by Step Solution

1. Step 1: Write the proportion equation
   143,502.42 : 198,042.83 = 79,840.37 : x
2. Step 2: Convert to fraction form
   143,502.42/198,042.83 = 79,840.37/x
3. Step 3: Cross multiply
   143,502.42x = 198,042.83 × 79,840.37
4. Step 4: Simplify right side
   143,502.42x = 15,811,811,433.63
5. Step 5: Solve for x
   x = 15,811,811,433.63/143,502.42
6. Step 6: Final answer
   x = 110,184.98