Finding the Fourth Proportional to 143,601.58, 198,164.83 and 79,938.01

Step by Step Solution

1. Step 1: Write the proportion equation
   143,601.58 : 198,164.83 = 79,938.01 : x
2. Step 2: Convert to fraction form
   143,601.58/198,164.83 = 79,938.01/x
3. Step 3: Cross multiply
   143,601.58x = 198,164.83 × 79,938.01
4. Step 4: Simplify right side
   143,601.58x = 15,840,902,162.19
5. Step 5: Solve for x
   x = 15,840,902,162.19/143,601.58
6. Step 6: Final answer
   x = 110,311.48