Finding the Fourth Proportional to 142,681.95, 196,901.01 and 79,019.69

Step by Step Solution

1. Step 1: Write the proportion equation
   142,681.95 : 196,901.01 = 79,019.69 : x
2. Step 2: Convert to fraction form
   142,681.95/196,901.01 = 79,019.69/x
3. Step 3: Cross multiply
   142,681.95x = 196,901.01 × 79,019.69
4. Step 4: Simplify right side
   142,681.95x = 15,559,055,786.38
5. Step 5: Solve for x
   x = 15,559,055,786.38/142,681.95
6. Step 6: Final answer
   x = 109,047.12